Deleted vendor folder

9 files changed, 0 insertions, 5202 deletions

diff --git a/vendor/rustix/src/net/mod.rs b/vendor/rustix/src/net/mod.rs
deleted file mode 100644
index 73ae2f0..0000000
--- a/vendor/rustix/src/net/mod.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-//! Network-related operations.
-//!
-//! On Windows, one must call [`wsa_startup`] in the process before calling any
-//! of these APIs. [`wsa_cleanup`] may be used in the process if these APIs are
-//! no longer needed.
-//!
-//! [`wsa_startup`]: https://docs.rs/rustix/*/x86_64-pc-windows-msvc/rustix/net/fn.wsa_startup.html
-//! [`wsa_cleanup`]: https://docs.rs/rustix/*/x86_64-pc-windows-msvc/rustix/net/fn.wsa_cleanup.html
-
-mod send_recv;
-mod socket;
-mod socket_addr_any;
-#[cfg(not(any(windows, target_os = "wasi")))]
-mod socketpair;
-mod types;
-#[cfg(windows)]
-mod wsa;
-
-pub mod sockopt;
-
-pub use crate::maybe_polyfill::net::{
-    IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6,
-};
-pub use send_recv::*;
-pub use socket::*;
-pub use socket_addr_any::{SocketAddrAny, SocketAddrStorage};
-#[cfg(not(any(windows, target_os = "wasi")))]
-pub use socketpair::socketpair;
-pub use types::*;
-#[cfg(windows)]
-pub use wsa::{wsa_cleanup, wsa_startup};
diff --git a/vendor/rustix/src/net/send_recv/mod.rs b/vendor/rustix/src/net/send_recv/mod.rs
deleted file mode 100644
index cad2d5c..0000000
--- a/vendor/rustix/src/net/send_recv/mod.rs
+++ /dev/null
@@ -1,380 +0,0 @@
-//! `recv`, `send`, and variants.
-
-#![allow(unsafe_code)]
-
-use crate::buffer::split_init;
-#[cfg(unix)]
-use crate::net::SocketAddrUnix;
-use crate::net::{SocketAddr, SocketAddrAny, SocketAddrV4, SocketAddrV6};
-use crate::{backend, io};
-use backend::fd::{AsFd, BorrowedFd};
-use core::mem::MaybeUninit;
-
-pub use backend::net::send_recv::{RecvFlags, SendFlags};
-
-#[cfg(not(any(
-    windows,
-    target_os = "espidf",
-    target_os = "redox",
-    target_os = "vita",
-    target_os = "wasi"
-)))]
-mod msg;
-
-#[cfg(not(any(
-    windows,
-    target_os = "espidf",
-    target_os = "redox",
-    target_os = "vita",
-    target_os = "wasi"
-)))]
-pub use msg::*;
-
-/// `recv(fd, buf, flags)`—Reads data from a socket.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendrecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/recv.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/recv.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recv.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-recv
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=recv&sektion=2
-/// [NetBSD]: https://man.netbsd.org/recv.2
-/// [OpenBSD]: https://man.openbsd.org/recv.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=recv&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/recv
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Receiving-Data.html
-#[inline]
-pub fn recv<Fd: AsFd>(fd: Fd, buf: &mut [u8], flags: RecvFlags) -> io::Result<usize> {
-    unsafe { backend::net::syscalls::recv(fd.as_fd(), buf.as_mut_ptr(), buf.len(), flags) }
-}
-
-/// `recv(fd, buf, flags)`—Reads data from a socket.
-///
-/// This is equivalent to [`recv`], except that it can read into uninitialized
-/// memory. It returns the slice that was initialized by this function and the
-/// slice that remains uninitialized.
-#[inline]
-pub fn recv_uninit<Fd: AsFd>(
-    fd: Fd,
-    buf: &mut [MaybeUninit<u8>],
-    flags: RecvFlags,
-) -> io::Result<(&mut [u8], &mut [MaybeUninit<u8>])> {
-    let length = unsafe {
-        backend::net::syscalls::recv(fd.as_fd(), buf.as_mut_ptr() as *mut u8, buf.len(), flags)
-    };
-
-    Ok(unsafe { split_init(buf, length?) })
-}
-
-/// `send(fd, buf, flags)`—Writes data to a socket.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendrecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/send.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/send.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/send.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-send
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=send&sektion=2
-/// [NetBSD]: https://man.netbsd.org/send.2
-/// [OpenBSD]: https://man.openbsd.org/send.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=send&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/send
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Sending-Data.html
-#[inline]
-pub fn send<Fd: AsFd>(fd: Fd, buf: &[u8], flags: SendFlags) -> io::Result<usize> {
-    backend::net::syscalls::send(fd.as_fd(), buf, flags)
-}
-
-/// `recvfrom(fd, buf, flags, addr, len)`—Reads data from a socket and
-/// returns the sender address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendtorecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/recvfrom.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recvfrom.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-recvfrom
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=recvfrom&sektion=2
-/// [NetBSD]: https://man.netbsd.org/recvfrom.2
-/// [OpenBSD]: https://man.openbsd.org/recvfrom.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=recvfrom&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/recvfrom
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Receiving-Datagrams.html
-#[inline]
-pub fn recvfrom<Fd: AsFd>(
-    fd: Fd,
-    buf: &mut [u8],
-    flags: RecvFlags,
-) -> io::Result<(usize, Option<SocketAddrAny>)> {
-    unsafe { backend::net::syscalls::recvfrom(fd.as_fd(), buf.as_mut_ptr(), buf.len(), flags) }
-}
-
-/// `recvfrom(fd, buf, flags, addr, len)`—Reads data from a socket and
-/// returns the sender address.
-///
-/// This is equivalent to [`recvfrom`], except that it can read into
-/// uninitialized memory. It returns the slice that was initialized by this
-/// function and the slice that remains uninitialized.
-#[allow(clippy::type_complexity)]
-#[inline]
-pub fn recvfrom_uninit<Fd: AsFd>(
-    fd: Fd,
-    buf: &mut [MaybeUninit<u8>],
-    flags: RecvFlags,
-) -> io::Result<(&mut [u8], &mut [MaybeUninit<u8>], Option<SocketAddrAny>)> {
-    let (length, addr) = unsafe {
-        backend::net::syscalls::recvfrom(fd.as_fd(), buf.as_mut_ptr() as *mut u8, buf.len(), flags)?
-    };
-    let (init, uninit) = unsafe { split_init(buf, length) };
-    Ok((init, uninit, addr))
-}
-
-/// `sendto(fd, buf, flags, addr)`—Writes data to a socket to a specific IP
-/// address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendtorecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendto.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendto.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendto&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendto.2
-/// [OpenBSD]: https://man.openbsd.org/sendto.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendto&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendto
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Sending-Datagrams.html
-pub fn sendto<Fd: AsFd>(
-    fd: Fd,
-    buf: &[u8],
-    flags: SendFlags,
-    addr: &SocketAddr,
-) -> io::Result<usize> {
-    _sendto(fd.as_fd(), buf, flags, addr)
-}
-
-fn _sendto(
-    fd: BorrowedFd<'_>,
-    buf: &[u8],
-    flags: SendFlags,
-    addr: &SocketAddr,
-) -> io::Result<usize> {
-    match addr {
-        SocketAddr::V4(v4) => backend::net::syscalls::sendto_v4(fd, buf, flags, v4),
-        SocketAddr::V6(v6) => backend::net::syscalls::sendto_v6(fd, buf, flags, v6),
-    }
-}
-
-/// `sendto(fd, buf, flags, addr)`—Writes data to a socket to a specific
-/// address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendtorecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendto.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendto.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendto&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendto.2
-/// [OpenBSD]: https://man.openbsd.org/sendto.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendto&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendto
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Sending-Datagrams.html
-pub fn sendto_any<Fd: AsFd>(
-    fd: Fd,
-    buf: &[u8],
-    flags: SendFlags,
-    addr: &SocketAddrAny,
-) -> io::Result<usize> {
-    _sendto_any(fd.as_fd(), buf, flags, addr)
-}
-
-fn _sendto_any(
-    fd: BorrowedFd<'_>,
-    buf: &[u8],
-    flags: SendFlags,
-    addr: &SocketAddrAny,
-) -> io::Result<usize> {
-    match addr {
-        SocketAddrAny::V4(v4) => backend::net::syscalls::sendto_v4(fd, buf, flags, v4),
-        SocketAddrAny::V6(v6) => backend::net::syscalls::sendto_v6(fd, buf, flags, v6),
-        #[cfg(unix)]
-        SocketAddrAny::Unix(unix) => backend::net::syscalls::sendto_unix(fd, buf, flags, unix),
-    }
-}
-
-/// `sendto(fd, buf, flags, addr, sizeof(struct sockaddr_in))`—Writes data to
-/// a socket to a specific IPv4 address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendtorecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendto.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendto.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendto&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendto.2
-/// [OpenBSD]: https://man.openbsd.org/sendto.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendto&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendto
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Sending-Datagrams.html
-#[inline]
-#[doc(alias = "sendto")]
-pub fn sendto_v4<Fd: AsFd>(
-    fd: Fd,
-    buf: &[u8],
-    flags: SendFlags,
-    addr: &SocketAddrV4,
-) -> io::Result<usize> {
-    backend::net::syscalls::sendto_v4(fd.as_fd(), buf, flags, addr)
-}
-
-/// `sendto(fd, buf, flags, addr, sizeof(struct sockaddr_in6))`—Writes data
-/// to a socket to a specific IPv6 address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendtorecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendto.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendto.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendto&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendto.2
-/// [OpenBSD]: https://man.openbsd.org/sendto.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendto&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendto
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Sending-Datagrams.html
-#[inline]
-#[doc(alias = "sendto")]
-pub fn sendto_v6<Fd: AsFd>(
-    fd: Fd,
-    buf: &[u8],
-    flags: SendFlags,
-    addr: &SocketAddrV6,
-) -> io::Result<usize> {
-    backend::net::syscalls::sendto_v6(fd.as_fd(), buf, flags, addr)
-}
-
-/// `sendto(fd, buf, flags, addr, sizeof(struct sockaddr_un))`—Writes data to
-/// a socket to a specific Unix-domain socket address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#sendtorecv
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendto.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendto.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-sendto
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendto&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendto.2
-/// [OpenBSD]: https://man.openbsd.org/sendto.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendto&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendto
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Sending-Datagrams.html
-#[cfg(unix)]
-#[inline]
-#[doc(alias = "sendto")]
-pub fn sendto_unix<Fd: AsFd>(
-    fd: Fd,
-    buf: &[u8],
-    flags: SendFlags,
-    addr: &SocketAddrUnix,
-) -> io::Result<usize> {
-    backend::net::syscalls::sendto_unix(fd.as_fd(), buf, flags, addr)
-}
diff --git a/vendor/rustix/src/net/send_recv/msg.rs b/vendor/rustix/src/net/send_recv/msg.rs
deleted file mode 100644
index 78fb865..0000000
--- a/vendor/rustix/src/net/send_recv/msg.rs
+++ /dev/null
@@ -1,966 +0,0 @@
-//! [`recvmsg`], [`sendmsg`], and related functions.
-
-#![allow(unsafe_code)]
-
-use crate::backend::{self, c};
-use crate::fd::{AsFd, BorrowedFd, OwnedFd};
-use crate::io::{self, IoSlice, IoSliceMut};
-#[cfg(linux_kernel)]
-use crate::net::UCred;
-
-use core::iter::FusedIterator;
-use core::marker::PhantomData;
-use core::mem::{align_of, size_of, size_of_val, take};
-#[cfg(linux_kernel)]
-use core::ptr::addr_of;
-use core::{ptr, slice};
-
-use super::{RecvFlags, SendFlags, SocketAddrAny, SocketAddrV4, SocketAddrV6};
-
-/// Macro for defining the amount of space to allocate in a buffer for use with
-/// [`RecvAncillaryBuffer::new`] and [`SendAncillaryBuffer::new`].
-///
-/// # Examples
-///
-/// Allocate a buffer for a single file descriptor:
-/// ```
-/// # use rustix::cmsg_space;
-/// let mut space = [0; rustix::cmsg_space!(ScmRights(1))];
-/// ```
-///
-/// Allocate a buffer for credentials:
-/// ```
-/// # #[cfg(linux_kernel)]
-/// # {
-/// # use rustix::cmsg_space;
-/// let mut space = [0; rustix::cmsg_space!(ScmCredentials(1))];
-/// # }
-/// ```
-///
-/// Allocate a buffer for two file descriptors and credentials:
-/// ```
-/// # #[cfg(linux_kernel)]
-/// # {
-/// # use rustix::cmsg_space;
-/// let mut space = [0; rustix::cmsg_space!(ScmRights(2), ScmCredentials(1))];
-/// # }
-/// ```
-#[macro_export]
-macro_rules! cmsg_space {
-    // Base Rules
-    (ScmRights($len:expr)) => {
-        $crate::net::__cmsg_space(
-            $len * ::core::mem::size_of::<$crate::fd::BorrowedFd<'static>>(),
-        )
-    };
-    (ScmCredentials($len:expr)) => {
-        $crate::net::__cmsg_space(
-            $len * ::core::mem::size_of::<$crate::net::UCred>(),
-        )
-    };
-
-    // Combo Rules
-    ($firstid:ident($firstex:expr), $($restid:ident($restex:expr)),*) => {{
-        // We only have to add `cmsghdr` alignment once; all other times we can
-        // use `cmsg_aligned_space`.
-        let sum = $crate::cmsg_space!($firstid($firstex));
-        $(
-            let sum = sum + $crate::cmsg_aligned_space!($restid($restex));
-        )*
-        sum
-    }};
-}
-
-/// Like `cmsg_space`, but doesn't add padding for `cmsghdr` alignment.
-#[doc(hidden)]
-#[macro_export]
-macro_rules! cmsg_aligned_space {
-    // Base Rules
-    (ScmRights($len:expr)) => {
-        $crate::net::__cmsg_aligned_space(
-            $len * ::core::mem::size_of::<$crate::fd::BorrowedFd<'static>>(),
-        )
-    };
-    (ScmCredentials($len:expr)) => {
-        $crate::net::__cmsg_aligned_space(
-            $len * ::core::mem::size_of::<$crate::net::UCred>(),
-        )
-    };
-
-    // Combo Rules
-    ($firstid:ident($firstex:expr), $($restid:ident($restex:expr)),*) => {{
-        let sum = cmsg_aligned_space!($firstid($firstex));
-        $(
-            let sum = sum + cmsg_aligned_space!($restid($restex));
-        )*
-        sum
-    }};
-}
-
-#[doc(hidden)]
-pub const fn __cmsg_space(len: usize) -> usize {
-    // Add `align_of::<c::cmsghdr>()` so that we can align the user-provided
-    // `&[u8]` to the required alignment boundary.
-    let len = len + align_of::<c::cmsghdr>();
-
-    __cmsg_aligned_space(len)
-}
-
-#[doc(hidden)]
-pub const fn __cmsg_aligned_space(len: usize) -> usize {
-    // Convert `len` to `u32` for `CMSG_SPACE`. This would be `try_into()` if
-    // we could call that in a `const fn`.
-    let converted_len = len as u32;
-    if converted_len as usize != len {
-        unreachable!(); // `CMSG_SPACE` size overflow
-    }
-
-    unsafe { c::CMSG_SPACE(converted_len) as usize }
-}
-
-/// Ancillary message for [`sendmsg`], [`sendmsg_v4`], [`sendmsg_v6`],
-/// [`sendmsg_unix`], and [`sendmsg_any`].
-#[non_exhaustive]
-pub enum SendAncillaryMessage<'slice, 'fd> {
-    /// Send file descriptors.
-    #[doc(alias = "SCM_RIGHTS")]
-    ScmRights(&'slice [BorrowedFd<'fd>]),
-    /// Send process credentials.
-    #[cfg(linux_kernel)]
-    #[doc(alias = "SCM_CREDENTIAL")]
-    ScmCredentials(UCred),
-}
-
-impl SendAncillaryMessage<'_, '_> {
-    /// Get the maximum size of an ancillary message.
-    ///
-    /// This can be helpful in determining the size of the buffer you allocate.
-    pub const fn size(&self) -> usize {
-        match self {
-            Self::ScmRights(slice) => cmsg_space!(ScmRights(slice.len())),
-            #[cfg(linux_kernel)]
-            Self::ScmCredentials(_) => cmsg_space!(ScmCredentials(1)),
-        }
-    }
-}
-
-/// Ancillary message for [`recvmsg`].
-#[non_exhaustive]
-pub enum RecvAncillaryMessage<'a> {
-    /// Received file descriptors.
-    #[doc(alias = "SCM_RIGHTS")]
-    ScmRights(AncillaryIter<'a, OwnedFd>),
-    /// Received process credentials.
-    #[cfg(linux_kernel)]
-    #[doc(alias = "SCM_CREDENTIALS")]
-    ScmCredentials(UCred),
-}
-
-/// Buffer for sending ancillary messages with [`sendmsg`], [`sendmsg_v4`],
-/// [`sendmsg_v6`], [`sendmsg_unix`], and [`sendmsg_any`].
-///
-/// Use the [`push`] function to add messages to send.
-///
-/// [`push`]: SendAncillaryBuffer::push
-pub struct SendAncillaryBuffer<'buf, 'slice, 'fd> {
-    /// Raw byte buffer for messages.
-    buffer: &'buf mut [u8],
-
-    /// The amount of the buffer that is used.
-    length: usize,
-
-    /// Phantom data for lifetime of `&'slice [BorrowedFd<'fd>]`.
-    _phantom: PhantomData<&'slice [BorrowedFd<'fd>]>,
-}
-
-impl<'buf> From<&'buf mut [u8]> for SendAncillaryBuffer<'buf, '_, '_> {
-    fn from(buffer: &'buf mut [u8]) -> Self {
-        Self::new(buffer)
-    }
-}
-
-impl Default for SendAncillaryBuffer<'_, '_, '_> {
-    fn default() -> Self {
-        Self {
-            buffer: &mut [],
-            length: 0,
-            _phantom: PhantomData,
-        }
-    }
-}
-
-impl<'buf, 'slice, 'fd> SendAncillaryBuffer<'buf, 'slice, 'fd> {
-    /// Create a new, empty `SendAncillaryBuffer` from a raw byte buffer.
-    ///
-    /// The buffer size may be computed with [`cmsg_space`], or it may be
-    /// zero for an empty buffer, however in that case, consider `default()`
-    /// instead, or even using [`send`] instead of `sendmsg`.
-    ///
-    /// # Examples
-    ///
-    /// Allocate a buffer for a single file descriptor:
-    /// ```
-    /// # use rustix::cmsg_space;
-    /// # use rustix::net::SendAncillaryBuffer;
-    /// let mut space = [0; rustix::cmsg_space!(ScmRights(1))];
-    /// let mut cmsg_buffer = SendAncillaryBuffer::new(&mut space);
-    /// ```
-    ///
-    /// Allocate a buffer for credentials:
-    /// ```
-    /// # #[cfg(linux_kernel)]
-    /// # {
-    /// # use rustix::cmsg_space;
-    /// # use rustix::net::SendAncillaryBuffer;
-    /// let mut space = [0; rustix::cmsg_space!(ScmCredentials(1))];
-    /// let mut cmsg_buffer = SendAncillaryBuffer::new(&mut space);
-    /// # }
-    /// ```
-    ///
-    /// Allocate a buffer for two file descriptors and credentials:
-    /// ```
-    /// # #[cfg(linux_kernel)]
-    /// # {
-    /// # use rustix::cmsg_space;
-    /// # use rustix::net::SendAncillaryBuffer;
-    /// let mut space = [0; rustix::cmsg_space!(ScmRights(2), ScmCredentials(1))];
-    /// let mut cmsg_buffer = SendAncillaryBuffer::new(&mut space);
-    /// # }
-    /// ```
-    ///
-    /// [`send`]: crate::net::send
-    #[inline]
-    pub fn new(buffer: &'buf mut [u8]) -> Self {
-        Self {
-            buffer: align_for_cmsghdr(buffer),
-            length: 0,
-            _phantom: PhantomData,
-        }
-    }
-
-    /// Returns a pointer to the message data.
-    pub(crate) fn as_control_ptr(&mut self) -> *mut u8 {
-        // When the length is zero, we may be using a `&[]` address, which may
-        // be an invalid but non-null pointer, and on some platforms, that
-        // causes `sendmsg` to fail with `EFAULT` or `EINVAL`
-        #[cfg(not(linux_kernel))]
-        if self.length == 0 {
-            return core::ptr::null_mut();
-        }
-
-        self.buffer.as_mut_ptr()
-    }
-
-    /// Returns the length of the message data.
-    pub(crate) fn control_len(&self) -> usize {
-        self.length
-    }
-
-    /// Delete all messages from the buffer.
-    pub fn clear(&mut self) {
-        self.length = 0;
-    }
-
-    /// Add an ancillary message to the buffer.
-    ///
-    /// Returns `true` if the message was added successfully.
-    pub fn push(&mut self, msg: SendAncillaryMessage<'slice, 'fd>) -> bool {
-        match msg {
-            SendAncillaryMessage::ScmRights(fds) => {
-                let fds_bytes =
-                    unsafe { slice::from_raw_parts(fds.as_ptr().cast::<u8>(), size_of_val(fds)) };
-                self.push_ancillary(fds_bytes, c::SOL_SOCKET as _, c::SCM_RIGHTS as _)
-            }
-            #[cfg(linux_kernel)]
-            SendAncillaryMessage::ScmCredentials(ucred) => {
-                let ucred_bytes = unsafe {
-                    slice::from_raw_parts(addr_of!(ucred).cast::<u8>(), size_of_val(&ucred))
-                };
-                self.push_ancillary(ucred_bytes, c::SOL_SOCKET as _, c::SCM_CREDENTIALS as _)
-            }
-        }
-    }
-
-    /// Pushes an ancillary message to the buffer.
-    fn push_ancillary(&mut self, source: &[u8], cmsg_level: c::c_int, cmsg_type: c::c_int) -> bool {
-        macro_rules! leap {
-            ($e:expr) => {{
-                match ($e) {
-                    Some(x) => x,
-                    None => return false,
-                }
-            }};
-        }
-
-        // Calculate the length of the message.
-        let source_len = leap!(u32::try_from(source.len()).ok());
-
-        // Calculate the new length of the buffer.
-        let additional_space = unsafe { c::CMSG_SPACE(source_len) };
-        let new_length = leap!(self.length.checked_add(additional_space as usize));
-        let buffer = leap!(self.buffer.get_mut(..new_length));
-
-        // Fill the new part of the buffer with zeroes.
-        buffer[self.length..new_length].fill(0);
-        self.length = new_length;
-
-        // Get the last header in the buffer.
-        let last_header = leap!(messages::Messages::new(buffer).last());
-
-        // Set the header fields.
-        last_header.cmsg_len = unsafe { c::CMSG_LEN(source_len) } as _;
-        last_header.cmsg_level = cmsg_level;
-        last_header.cmsg_type = cmsg_type;
-
-        // Get the pointer to the payload and copy the data.
-        unsafe {
-            let payload = c::CMSG_DATA(last_header);
-            ptr::copy_nonoverlapping(source.as_ptr(), payload, source_len as _);
-        }
-
-        true
-    }
-}
-
-impl<'slice, 'fd> Extend<SendAncillaryMessage<'slice, 'fd>>
-    for SendAncillaryBuffer<'_, 'slice, 'fd>
-{
-    fn extend<T: IntoIterator<Item = SendAncillaryMessage<'slice, 'fd>>>(&mut self, iter: T) {
-        // TODO: This could be optimized to add every message in one go.
-        iter.into_iter().all(|msg| self.push(msg));
-    }
-}
-
-/// Buffer for receiving ancillary messages with [`recvmsg`].
-///
-/// Use the [`drain`] function to iterate over the received messages.
-///
-/// [`drain`]: RecvAncillaryBuffer::drain
-#[derive(Default)]
-pub struct RecvAncillaryBuffer<'buf> {
-    /// Raw byte buffer for messages.
-    buffer: &'buf mut [u8],
-
-    /// The portion of the buffer we've read from already.
-    read: usize,
-
-    /// The amount of the buffer that is used.
-    length: usize,
-}
-
-impl<'buf> From<&'buf mut [u8]> for RecvAncillaryBuffer<'buf> {
-    fn from(buffer: &'buf mut [u8]) -> Self {
-        Self::new(buffer)
-    }
-}
-
-impl<'buf> RecvAncillaryBuffer<'buf> {
-    /// Create a new, empty `RecvAncillaryBuffer` from a raw byte buffer.
-    ///
-    /// The buffer size may be computed with [`cmsg_space`], or it may be
-    /// zero for an empty buffer, however in that case, consider `default()`
-    /// instead, or even using [`recv`] instead of `recvmsg`.
-    ///
-    /// # Examples
-    ///
-    /// Allocate a buffer for a single file descriptor:
-    /// ```
-    /// # use rustix::cmsg_space;
-    /// # use rustix::net::RecvAncillaryBuffer;
-    /// let mut space = [0; rustix::cmsg_space!(ScmRights(1))];
-    /// let mut cmsg_buffer = RecvAncillaryBuffer::new(&mut space);
-    /// ```
-    ///
-    /// Allocate a buffer for credentials:
-    /// ```
-    /// # #[cfg(linux_kernel)]
-    /// # {
-    /// # use rustix::cmsg_space;
-    /// # use rustix::net::RecvAncillaryBuffer;
-    /// let mut space = [0; rustix::cmsg_space!(ScmCredentials(1))];
-    /// let mut cmsg_buffer = RecvAncillaryBuffer::new(&mut space);
-    /// # }
-    /// ```
-    ///
-    /// Allocate a buffer for two file descriptors and credentials:
-    /// ```
-    /// # #[cfg(linux_kernel)]
-    /// # {
-    /// # use rustix::cmsg_space;
-    /// # use rustix::net::RecvAncillaryBuffer;
-    /// let mut space = [0; rustix::cmsg_space!(ScmRights(2), ScmCredentials(1))];
-    /// let mut cmsg_buffer = RecvAncillaryBuffer::new(&mut space);
-    /// # }
-    /// ```
-    ///
-    /// [`recv`]: crate::net::recv
-    #[inline]
-    pub fn new(buffer: &'buf mut [u8]) -> Self {
-        Self {
-            buffer: align_for_cmsghdr(buffer),
-            read: 0,
-            length: 0,
-        }
-    }
-
-    /// Returns a pointer to the message data.
-    pub(crate) fn as_control_ptr(&mut self) -> *mut u8 {
-        // When the length is zero, we may be using a `&[]` address, which may
-        // be an invalid but non-null pointer, and on some platforms, that
-        // causes `sendmsg` to fail with `EFAULT` or `EINVAL`
-        #[cfg(not(linux_kernel))]
-        if self.buffer.is_empty() {
-            return core::ptr::null_mut();
-        }
-
-        self.buffer.as_mut_ptr()
-    }
-
-    /// Returns the length of the message data.
-    pub(crate) fn control_len(&self) -> usize {
-        self.buffer.len()
-    }
-
-    /// Set the length of the message data.
-    ///
-    /// # Safety
-    ///
-    /// The buffer must be filled with valid message data.
-    pub(crate) unsafe fn set_control_len(&mut self, len: usize) {
-        self.length = len;
-        self.read = 0;
-    }
-
-    /// Delete all messages from the buffer.
-    pub(crate) fn clear(&mut self) {
-        self.drain().for_each(drop);
-    }
-
-    /// Drain all messages from the buffer.
-    pub fn drain(&mut self) -> AncillaryDrain<'_> {
-        AncillaryDrain {
-            messages: messages::Messages::new(&mut self.buffer[self.read..][..self.length]),
-            read: &mut self.read,
-            length: &mut self.length,
-        }
-    }
-}
-
-impl Drop for RecvAncillaryBuffer<'_> {
-    fn drop(&mut self) {
-        self.clear();
-    }
-}
-
-/// Return a slice of `buffer` starting at the first `cmsghdr` alignment
-/// boundary.
-#[inline]
-fn align_for_cmsghdr(buffer: &mut [u8]) -> &mut [u8] {
-    // If the buffer is empty, we won't be writing anything into it, so it
-    // doesn't need to be aligned.
-    if buffer.is_empty() {
-        return buffer;
-    }
-
-    let align = align_of::<c::cmsghdr>();
-    let addr = buffer.as_ptr() as usize;
-    let adjusted = (addr + (align - 1)) & align.wrapping_neg();
-    &mut buffer[adjusted - addr..]
-}
-
-/// An iterator that drains messages from a [`RecvAncillaryBuffer`].
-pub struct AncillaryDrain<'buf> {
-    /// Inner iterator over messages.
-    messages: messages::Messages<'buf>,
-
-    /// Increment the number of messages we've read.
-    read: &'buf mut usize,
-
-    /// Decrement the total length.
-    length: &'buf mut usize,
-}
-
-impl<'buf> AncillaryDrain<'buf> {
-    /// A closure that converts a message into a [`RecvAncillaryMessage`].
-    fn cvt_msg(
-        read: &mut usize,
-        length: &mut usize,
-        msg: &c::cmsghdr,
-    ) -> Option<RecvAncillaryMessage<'buf>> {
-        unsafe {
-            // Advance the `read` pointer.
-            let msg_len = msg.cmsg_len as usize;
-            *read += msg_len;
-            *length -= msg_len;
-
-            // Get a pointer to the payload.
-            let payload = c::CMSG_DATA(msg);
-            let payload_len = msg.cmsg_len as usize - c::CMSG_LEN(0) as usize;
-
-            // Get a mutable slice of the payload.
-            let payload: &'buf mut [u8] = slice::from_raw_parts_mut(payload, payload_len);
-
-            // Determine what type it is.
-            let (level, msg_type) = (msg.cmsg_level, msg.cmsg_type);
-            match (level as _, msg_type as _) {
-                (c::SOL_SOCKET, c::SCM_RIGHTS) => {
-                    // Create an iterator that reads out the file descriptors.
-                    let fds = AncillaryIter::new(payload);
-
-                    Some(RecvAncillaryMessage::ScmRights(fds))
-                }
-                #[cfg(linux_kernel)]
-                (c::SOL_SOCKET, c::SCM_CREDENTIALS) => {
-                    if payload_len >= size_of::<UCred>() {
-                        let ucred = payload.as_ptr().cast::<UCred>().read_unaligned();
-                        Some(RecvAncillaryMessage::ScmCredentials(ucred))
-                    } else {
-                        None
-                    }
-                }
-                _ => None,
-            }
-        }
-    }
-}
-
-impl<'buf> Iterator for AncillaryDrain<'buf> {
-    type Item = RecvAncillaryMessage<'buf>;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let read = &mut self.read;
-        let length = &mut self.length;
-        self.messages.find_map(|ev| Self::cvt_msg(read, length, ev))
-    }
-
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        let (_, max) = self.messages.size_hint();
-        (0, max)
-    }
-
-    fn fold<B, F>(self, init: B, f: F) -> B
-    where
-        Self: Sized,
-        F: FnMut(B, Self::Item) -> B,
-    {
-        let read = self.read;
-        let length = self.length;
-        self.messages
-            .filter_map(|ev| Self::cvt_msg(read, length, ev))
-            .fold(init, f)
-    }
-
-    fn count(self) -> usize {
-        let read = self.read;
-        let length = self.length;
-        self.messages
-            .filter_map(|ev| Self::cvt_msg(read, length, ev))
-            .count()
-    }
-
-    fn last(self) -> Option<Self::Item>
-    where
-        Self: Sized,
-    {
-        let read = self.read;
-        let length = self.length;
-        self.messages
-            .filter_map(|ev| Self::cvt_msg(read, length, ev))
-            .last()
-    }
-
-    fn collect<B: FromIterator<Self::Item>>(self) -> B
-    where
-        Self: Sized,
-    {
-        let read = self.read;
-        let length = self.length;
-        self.messages
-            .filter_map(|ev| Self::cvt_msg(read, length, ev))
-            .collect()
-    }
-}
-
-impl FusedIterator for AncillaryDrain<'_> {}
-
-/// `sendmsg(msghdr)`—Sends a message on a socket.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendmsg.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendmsg.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendmsg&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendmsg.2
-/// [OpenBSD]: https://man.openbsd.org/sendmsg.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendmsg&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendmsg
-#[inline]
-pub fn sendmsg(
-    socket: impl AsFd,
-    iov: &[IoSlice<'_>],
-    control: &mut SendAncillaryBuffer<'_, '_, '_>,
-    flags: SendFlags,
-) -> io::Result<usize> {
-    backend::net::syscalls::sendmsg(socket.as_fd(), iov, control, flags)
-}
-
-/// `sendmsg(msghdr)`—Sends a message on a socket to a specific IPv4 address.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendmsg.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendmsg.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendmsg&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendmsg.2
-/// [OpenBSD]: https://man.openbsd.org/sendmsg.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendmsg&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendmsg
-#[inline]
-pub fn sendmsg_v4(
-    socket: impl AsFd,
-    addr: &SocketAddrV4,
-    iov: &[IoSlice<'_>],
-    control: &mut SendAncillaryBuffer<'_, '_, '_>,
-    flags: SendFlags,
-) -> io::Result<usize> {
-    backend::net::syscalls::sendmsg_v4(socket.as_fd(), addr, iov, control, flags)
-}
-
-/// `sendmsg(msghdr)`—Sends a message on a socket to a specific IPv6 address.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendmsg.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendmsg.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendmsg&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendmsg.2
-/// [OpenBSD]: https://man.openbsd.org/sendmsg.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendmsg&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendmsg
-#[inline]
-pub fn sendmsg_v6(
-    socket: impl AsFd,
-    addr: &SocketAddrV6,
-    iov: &[IoSlice<'_>],
-    control: &mut SendAncillaryBuffer<'_, '_, '_>,
-    flags: SendFlags,
-) -> io::Result<usize> {
-    backend::net::syscalls::sendmsg_v6(socket.as_fd(), addr, iov, control, flags)
-}
-
-/// `sendmsg(msghdr)`—Sends a message on a socket to a specific Unix-domain
-/// address.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendmsg.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendmsg.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendmsg&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendmsg.2
-/// [OpenBSD]: https://man.openbsd.org/sendmsg.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendmsg&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendmsg
-#[inline]
-#[cfg(unix)]
-pub fn sendmsg_unix(
-    socket: impl AsFd,
-    addr: &super::SocketAddrUnix,
-    iov: &[IoSlice<'_>],
-    control: &mut SendAncillaryBuffer<'_, '_, '_>,
-    flags: SendFlags,
-) -> io::Result<usize> {
-    backend::net::syscalls::sendmsg_unix(socket.as_fd(), addr, iov, control, flags)
-}
-
-/// `sendmsg(msghdr)`—Sends a message on a socket to a specific address.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/sendmsg.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/sendmsg.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=sendmsg&sektion=2
-/// [NetBSD]: https://man.netbsd.org/sendmsg.2
-/// [OpenBSD]: https://man.openbsd.org/sendmsg.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=sendmsg&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/sendmsg
-#[inline]
-pub fn sendmsg_any(
-    socket: impl AsFd,
-    addr: Option<&SocketAddrAny>,
-    iov: &[IoSlice<'_>],
-    control: &mut SendAncillaryBuffer<'_, '_, '_>,
-    flags: SendFlags,
-) -> io::Result<usize> {
-    match addr {
-        None => backend::net::syscalls::sendmsg(socket.as_fd(), iov, control, flags),
-        Some(SocketAddrAny::V4(addr)) => {
-            backend::net::syscalls::sendmsg_v4(socket.as_fd(), addr, iov, control, flags)
-        }
-        Some(SocketAddrAny::V6(addr)) => {
-            backend::net::syscalls::sendmsg_v6(socket.as_fd(), addr, iov, control, flags)
-        }
-        #[cfg(unix)]
-        Some(SocketAddrAny::Unix(addr)) => {
-            backend::net::syscalls::sendmsg_unix(socket.as_fd(), addr, iov, control, flags)
-        }
-    }
-}
-
-/// `recvmsg(msghdr)`—Receives a message from a socket.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvmsg.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/recvmsg.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/recvmsg.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=recvmsg&sektion=2
-/// [NetBSD]: https://man.netbsd.org/recvmsg.2
-/// [OpenBSD]: https://man.openbsd.org/recvmsg.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=recvmsg&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/recvmsg
-#[inline]
-pub fn recvmsg(
-    socket: impl AsFd,
-    iov: &mut [IoSliceMut<'_>],
-    control: &mut RecvAncillaryBuffer<'_>,
-    flags: RecvFlags,
-) -> io::Result<RecvMsgReturn> {
-    backend::net::syscalls::recvmsg(socket.as_fd(), iov, control, flags)
-}
-
-/// The result of a successful [`recvmsg`] call.
-pub struct RecvMsgReturn {
-    /// The number of bytes received.
-    pub bytes: usize,
-
-    /// The flags received.
-    pub flags: RecvFlags,
-
-    /// The address of the socket we received from, if any.
-    pub address: Option<SocketAddrAny>,
-}
-
-/// An iterator over data in an ancillary buffer.
-pub struct AncillaryIter<'data, T> {
-    /// The data we're iterating over.
-    data: &'data mut [u8],
-
-    /// The raw data we're removing.
-    _marker: PhantomData<T>,
-}
-
-impl<'data, T> AncillaryIter<'data, T> {
-    /// Create a new iterator over data in an ancillary buffer.
-    ///
-    /// # Safety
-    ///
-    /// The buffer must contain valid ancillary data.
-    unsafe fn new(data: &'data mut [u8]) -> Self {
-        assert_eq!(data.len() % size_of::<T>(), 0);
-
-        Self {
-            data,
-            _marker: PhantomData,
-        }
-    }
-}
-
-impl<'data, T> Drop for AncillaryIter<'data, T> {
-    fn drop(&mut self) {
-        self.for_each(drop);
-    }
-}
-
-impl<T> Iterator for AncillaryIter<'_, T> {
-    type Item = T;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        // See if there is a next item.
-        if self.data.len() < size_of::<T>() {
-            return None;
-        }
-
-        // Get the next item.
-        let item = unsafe { self.data.as_ptr().cast::<T>().read_unaligned() };
-
-        // Move forward.
-        let data = take(&mut self.data);
-        self.data = &mut data[size_of::<T>()..];
-
-        Some(item)
-    }
-
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        let len = self.len();
-        (len, Some(len))
-    }
-
-    fn count(self) -> usize {
-        self.len()
-    }
-
-    fn last(mut self) -> Option<Self::Item> {
-        self.next_back()
-    }
-}
-
-impl<T> FusedIterator for AncillaryIter<'_, T> {}
-
-impl<T> ExactSizeIterator for AncillaryIter<'_, T> {
-    fn len(&self) -> usize {
-        self.data.len() / size_of::<T>()
-    }
-}
-
-impl<T> DoubleEndedIterator for AncillaryIter<'_, T> {
-    fn next_back(&mut self) -> Option<Self::Item> {
-        // See if there is a next item.
-        if self.data.len() < size_of::<T>() {
-            return None;
-        }
-
-        // Get the next item.
-        let item = unsafe {
-            let ptr = self.data.as_ptr().add(self.data.len() - size_of::<T>());
-            ptr.cast::<T>().read_unaligned()
-        };
-
-        // Move forward.
-        let len = self.data.len();
-        let data = take(&mut self.data);
-        self.data = &mut data[..len - size_of::<T>()];
-
-        Some(item)
-    }
-}
-
-mod messages {
-    use crate::backend::c;
-    use crate::backend::net::msghdr;
-    use core::iter::FusedIterator;
-    use core::marker::PhantomData;
-    use core::ptr::NonNull;
-
-    /// An iterator over the messages in an ancillary buffer.
-    pub(super) struct Messages<'buf> {
-        /// The message header we're using to iterate over the messages.
-        msghdr: c::msghdr,
-
-        /// The current pointer to the next message header to return.
-        ///
-        /// This has a lifetime of `'buf`.
-        header: Option<NonNull<c::cmsghdr>>,
-
-        /// Capture the original lifetime of the buffer.
-        _buffer: PhantomData<&'buf mut [u8]>,
-    }
-
-    impl<'buf> Messages<'buf> {
-        /// Create a new iterator over messages from a byte buffer.
-        pub(super) fn new(buf: &'buf mut [u8]) -> Self {
-            let msghdr = {
-                let mut h = msghdr::zero_msghdr();
-                h.msg_control = buf.as_mut_ptr().cast();
-                h.msg_controllen = buf.len().try_into().expect("buffer too large for msghdr");
-                h
-            };
-
-            // Get the first header.
-            let header = NonNull::new(unsafe { c::CMSG_FIRSTHDR(&msghdr) });
-
-            Self {
-                msghdr,
-                header,
-                _buffer: PhantomData,
-            }
-        }
-    }
-
-    impl<'a> Iterator for Messages<'a> {
-        type Item = &'a mut c::cmsghdr;
-
-        #[inline]
-        fn next(&mut self) -> Option<Self::Item> {
-            // Get the current header.
-            let header = self.header?;
-
-            // Get the next header.
-            self.header = NonNull::new(unsafe { c::CMSG_NXTHDR(&self.msghdr, header.as_ptr()) });
-
-            // If the headers are equal, we're done.
-            if Some(header) == self.header {
-                self.header = None;
-            }
-
-            // SAFETY: The lifetime of `header` is tied to this.
-            Some(unsafe { &mut *header.as_ptr() })
-        }
-
-        fn size_hint(&self) -> (usize, Option<usize>) {
-            if self.header.is_some() {
-                // The remaining buffer *could* be filled with zero-length
-                // messages.
-                let max_size = unsafe { c::CMSG_LEN(0) } as usize;
-                let remaining_count = self.msghdr.msg_controllen as usize / max_size;
-                (1, Some(remaining_count))
-            } else {
-                (0, Some(0))
-            }
-        }
-    }
-
-    impl FusedIterator for Messages<'_> {}
-}
diff --git a/vendor/rustix/src/net/socket.rs b/vendor/rustix/src/net/socket.rs
deleted file mode 100644
index c01b7a4..0000000
--- a/vendor/rustix/src/net/socket.rs
+++ /dev/null
@@ -1,750 +0,0 @@
-use crate::fd::OwnedFd;
-use crate::net::{SocketAddr, SocketAddrAny, SocketAddrV4, SocketAddrV6};
-use crate::{backend, io};
-use backend::fd::{AsFd, BorrowedFd};
-
-pub use crate::net::{AddressFamily, Protocol, Shutdown, SocketFlags, SocketType};
-#[cfg(unix)]
-pub use backend::net::addr::SocketAddrUnix;
-
-/// `socket(domain, type_, protocol)`—Creates a socket.
-///
-/// POSIX guarantees that `socket` will use the lowest unused file descriptor,
-/// however it is not safe in general to rely on this, as file descriptors may
-/// be unexpectedly allocated on other threads or in libraries.
-///
-/// To pass extra flags such as [`SocketFlags::CLOEXEC`] or
-/// [`SocketFlags::NONBLOCK`], use [`socket_with`].
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#socket
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/socket.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-socket
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=socket&sektion=2
-/// [NetBSD]: https://man.netbsd.org/socket.2
-/// [OpenBSD]: https://man.openbsd.org/socket.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=socket&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/socket
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Creating-a-Socket.html
-#[inline]
-pub fn socket(
-    domain: AddressFamily,
-    type_: SocketType,
-    protocol: Option<Protocol>,
-) -> io::Result<OwnedFd> {
-    backend::net::syscalls::socket(domain, type_, protocol)
-}
-
-/// `socket_with(domain, type_ | flags, protocol)`—Creates a socket, with
-/// flags.
-///
-/// POSIX guarantees that `socket` will use the lowest unused file descriptor,
-/// however it is not safe in general to rely on this, as file descriptors may
-/// be unexpectedly allocated on other threads or in libraries.
-///
-/// `socket_with` is the same as [`socket`] but adds an additional flags
-/// operand.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#socket
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/socket.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socket.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-socket
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=socket&sektion=2
-/// [NetBSD]: https://man.netbsd.org/socket.2
-/// [OpenBSD]: https://man.openbsd.org/socket.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=socket&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/socket
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Creating-a-Socket.html
-#[doc(alias("socket"))]
-#[inline]
-pub fn socket_with(
-    domain: AddressFamily,
-    type_: SocketType,
-    flags: SocketFlags,
-    protocol: Option<Protocol>,
-) -> io::Result<OwnedFd> {
-    backend::net::syscalls::socket_with(domain, type_, flags, protocol)
-}
-
-/// `bind(sockfd, addr)`—Binds a socket to an IP address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#bind
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2
-/// [NetBSD]: https://man.netbsd.org/bind.2
-/// [OpenBSD]: https://man.openbsd.org/bind.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=bind&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/bind
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Setting-Address.html
-pub fn bind<Fd: AsFd>(sockfd: Fd, addr: &SocketAddr) -> io::Result<()> {
-    _bind(sockfd.as_fd(), addr)
-}
-
-fn _bind(sockfd: BorrowedFd<'_>, addr: &SocketAddr) -> io::Result<()> {
-    match addr {
-        SocketAddr::V4(v4) => backend::net::syscalls::bind_v4(sockfd, v4),
-        SocketAddr::V6(v6) => backend::net::syscalls::bind_v6(sockfd, v6),
-    }
-}
-
-/// `bind(sockfd, addr)`—Binds a socket to an address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#bind
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2
-/// [NetBSD]: https://man.netbsd.org/bind.2
-/// [OpenBSD]: https://man.openbsd.org/bind.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=bind&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/bind
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Setting-Address.html
-#[doc(alias = "bind")]
-pub fn bind_any<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrAny) -> io::Result<()> {
-    _bind_any(sockfd.as_fd(), addr)
-}
-
-fn _bind_any(sockfd: BorrowedFd<'_>, addr: &SocketAddrAny) -> io::Result<()> {
-    match addr {
-        SocketAddrAny::V4(v4) => backend::net::syscalls::bind_v4(sockfd, v4),
-        SocketAddrAny::V6(v6) => backend::net::syscalls::bind_v6(sockfd, v6),
-        #[cfg(unix)]
-        SocketAddrAny::Unix(unix) => backend::net::syscalls::bind_unix(sockfd, unix),
-    }
-}
-
-/// `bind(sockfd, addr, sizeof(struct sockaddr_in))`—Binds a socket to an
-/// IPv4 address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#bind
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2
-/// [NetBSD]: https://man.netbsd.org/bind.2
-/// [OpenBSD]: https://man.openbsd.org/bind.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=bind&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/bind
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Setting-Address.html
-#[inline]
-#[doc(alias = "bind")]
-pub fn bind_v4<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV4) -> io::Result<()> {
-    backend::net::syscalls::bind_v4(sockfd.as_fd(), addr)
-}
-
-/// `bind(sockfd, addr, sizeof(struct sockaddr_in6))`—Binds a socket to an
-/// IPv6 address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#bind
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2
-/// [NetBSD]: https://man.netbsd.org/bind.2
-/// [OpenBSD]: https://man.openbsd.org/bind.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=bind&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/bind
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Setting-Address.html
-#[inline]
-#[doc(alias = "bind")]
-pub fn bind_v6<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV6) -> io::Result<()> {
-    backend::net::syscalls::bind_v6(sockfd.as_fd(), addr)
-}
-
-/// `bind(sockfd, addr, sizeof(struct sockaddr_un))`—Binds a socket to a
-/// Unix-domain address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#bind
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/bind.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/bind.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-bind
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=bind&sektion=2
-/// [NetBSD]: https://man.netbsd.org/bind.2
-/// [OpenBSD]: https://man.openbsd.org/bind.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=bind&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/bind
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Setting-Address.html
-#[cfg(unix)]
-#[inline]
-#[doc(alias = "bind")]
-pub fn bind_unix<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrUnix) -> io::Result<()> {
-    backend::net::syscalls::bind_unix(sockfd.as_fd(), addr)
-}
-
-/// `connect(sockfd, addr)`—Initiates a connection to an IP address.
-///
-/// On Windows, a non-blocking socket returns [`Errno::WOULDBLOCK`] if the
-/// connection cannot be completed immediately, rather than
-/// `Errno::INPROGRESS`.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#connect
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=connect&sektion=2
-/// [NetBSD]: https://man.netbsd.org/connect.2
-/// [OpenBSD]: https://man.openbsd.org/connect.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=connect&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/connect
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Connecting.html
-/// [`Errno::WOULDBLOCK`]: io::Errno::WOULDBLOCK
-pub fn connect<Fd: AsFd>(sockfd: Fd, addr: &SocketAddr) -> io::Result<()> {
-    _connect(sockfd.as_fd(), addr)
-}
-
-fn _connect(sockfd: BorrowedFd<'_>, addr: &SocketAddr) -> io::Result<()> {
-    match addr {
-        SocketAddr::V4(v4) => backend::net::syscalls::connect_v4(sockfd, v4),
-        SocketAddr::V6(v6) => backend::net::syscalls::connect_v6(sockfd, v6),
-    }
-}
-
-/// `connect(sockfd, addr)`—Initiates a connection.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#connect
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=connect&sektion=2
-/// [NetBSD]: https://man.netbsd.org/connect.2
-/// [OpenBSD]: https://man.openbsd.org/connect.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=connect&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/connect
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Connecting.html
-#[doc(alias = "connect")]
-pub fn connect_any<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrAny) -> io::Result<()> {
-    _connect_any(sockfd.as_fd(), addr)
-}
-
-fn _connect_any(sockfd: BorrowedFd<'_>, addr: &SocketAddrAny) -> io::Result<()> {
-    match addr {
-        SocketAddrAny::V4(v4) => backend::net::syscalls::connect_v4(sockfd, v4),
-        SocketAddrAny::V6(v6) => backend::net::syscalls::connect_v6(sockfd, v6),
-        #[cfg(unix)]
-        SocketAddrAny::Unix(unix) => backend::net::syscalls::connect_unix(sockfd, unix),
-    }
-}
-
-/// `connect(sockfd, addr, sizeof(struct sockaddr_in))`—Initiates a
-/// connection to an IPv4 address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#connect
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=connect&sektion=2
-/// [NetBSD]: https://man.netbsd.org/connect.2
-/// [OpenBSD]: https://man.openbsd.org/connect.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=connect&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/connect
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Connecting.html
-#[inline]
-#[doc(alias = "connect")]
-pub fn connect_v4<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV4) -> io::Result<()> {
-    backend::net::syscalls::connect_v4(sockfd.as_fd(), addr)
-}
-
-/// `connect(sockfd, addr, sizeof(struct sockaddr_in6))`—Initiates a
-/// connection to an IPv6 address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#connect
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=connect&sektion=2
-/// [NetBSD]: https://man.netbsd.org/connect.2
-/// [OpenBSD]: https://man.openbsd.org/connect.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=connect&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/connect
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Connecting.html
-#[inline]
-#[doc(alias = "connect")]
-pub fn connect_v6<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrV6) -> io::Result<()> {
-    backend::net::syscalls::connect_v6(sockfd.as_fd(), addr)
-}
-
-/// `connect(sockfd, addr, sizeof(struct sockaddr_un))`—Initiates a
-/// connection to a Unix-domain address.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#connect
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=connect&sektion=2
-/// [NetBSD]: https://man.netbsd.org/connect.2
-/// [OpenBSD]: https://man.openbsd.org/connect.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=connect&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/connect
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Connecting.html
-#[cfg(unix)]
-#[inline]
-#[doc(alias = "connect")]
-pub fn connect_unix<Fd: AsFd>(sockfd: Fd, addr: &SocketAddrUnix) -> io::Result<()> {
-    backend::net::syscalls::connect_unix(sockfd.as_fd(), addr)
-}
-
-/// `connect(sockfd, {.sa_family = AF_UNSPEC}, sizeof(struct sockaddr))`
-/// — Dissolve the socket's association.
-///
-/// On UDP sockets, BSD platforms report [`Errno::AFNOSUPPORT`] or
-/// [`Errno::INVAL`] even if the disconnect was successful.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#connect
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/connect.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/connect.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=connect&sektion=2
-/// [NetBSD]: https://man.netbsd.org/connect.2
-/// [OpenBSD]: https://man.openbsd.org/connect.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=connect&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/connect
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Connecting.html
-/// [`Errno::AFNOSUPPORT`]: io::Errno::AFNOSUPPORT
-/// [`Errno::INVAL`]: io::Errno::INVAL
-#[inline]
-#[doc(alias = "connect")]
-pub fn connect_unspec<Fd: AsFd>(sockfd: Fd) -> io::Result<()> {
-    backend::net::syscalls::connect_unspec(sockfd.as_fd())
-}
-
-/// `listen(fd, backlog)`—Enables listening for incoming connections.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#listen
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/listen.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/listen.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/listen.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-listen
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=listen&sektion=2
-/// [NetBSD]: https://man.netbsd.org/listen.2
-/// [OpenBSD]: https://man.openbsd.org/listen.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=listen&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/listen
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Listening.html
-#[inline]
-pub fn listen<Fd: AsFd>(sockfd: Fd, backlog: i32) -> io::Result<()> {
-    backend::net::syscalls::listen(sockfd.as_fd(), backlog)
-}
-
-/// `accept(fd, NULL, NULL)`—Accepts an incoming connection.
-///
-/// Use [`acceptfrom`] to retrieve the peer address.
-///
-/// POSIX guarantees that `accept` will use the lowest unused file descriptor,
-/// however it is not safe in general to rely on this, as file descriptors may
-/// be unexpectedly allocated on other threads or in libraries.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#acceptthank-you-for-calling-port-3490.
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/accept.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-accept
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=accept&sektion=2
-/// [NetBSD]: https://man.netbsd.org/accept.2
-/// [OpenBSD]: https://man.openbsd.org/accept.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=accept&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/accept
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Accepting-Connections.html
-#[inline]
-pub fn accept<Fd: AsFd>(sockfd: Fd) -> io::Result<OwnedFd> {
-    backend::net::syscalls::accept(sockfd.as_fd())
-}
-
-/// `accept4(fd, NULL, NULL, flags)`—Accepts an incoming connection, with
-/// flags.
-///
-/// Use [`acceptfrom_with`] to retrieve the peer address.
-///
-/// Even though POSIX guarantees that this will use the lowest unused file
-/// descriptor, it is not safe in general to rely on this, as file descriptors
-/// may be unexpectedly allocated on other threads or in libraries.
-///
-/// `accept_with` is the same as [`accept`] but adds an additional flags
-/// operand.
-///
-/// # References
-///  - [Linux]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [Linux]: https://man7.org/linux/man-pages/man2/accept4.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=accept4&sektion=2
-/// [NetBSD]: https://man.netbsd.org/accept4.2
-/// [OpenBSD]: https://man.openbsd.org/accept4.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=accept4&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/accept4
-#[inline]
-#[doc(alias = "accept4")]
-pub fn accept_with<Fd: AsFd>(sockfd: Fd, flags: SocketFlags) -> io::Result<OwnedFd> {
-    backend::net::syscalls::accept_with(sockfd.as_fd(), flags)
-}
-
-/// `accept(fd, &addr, &len)`—Accepts an incoming connection and returns the
-/// peer address.
-///
-/// Use [`accept`] if the peer address isn't needed.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#acceptthank-you-for-calling-port-3490.
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/accept.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/accept.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-accept
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=accept&sektion=2
-/// [NetBSD]: https://man.netbsd.org/accept.2
-/// [OpenBSD]: https://man.openbsd.org/accept.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=accept&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/accept
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Accepting-Connections.html
-#[inline]
-#[doc(alias = "accept")]
-pub fn acceptfrom<Fd: AsFd>(sockfd: Fd) -> io::Result<(OwnedFd, Option<SocketAddrAny>)> {
-    backend::net::syscalls::acceptfrom(sockfd.as_fd())
-}
-
-/// `accept4(fd, &addr, &len, flags)`—Accepts an incoming connection and
-/// returns the peer address, with flags.
-///
-/// Use [`accept_with`] if the peer address isn't needed.
-///
-/// `acceptfrom_with` is the same as [`acceptfrom`] but adds an additional
-/// flags operand.
-///
-/// # References
-///  - [Linux]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///
-/// [Linux]: https://man7.org/linux/man-pages/man2/accept4.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=accept4&sektion=2
-/// [NetBSD]: https://man.netbsd.org/accept4.2
-/// [OpenBSD]: https://man.openbsd.org/accept4.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=accept4&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/accept4
-#[inline]
-#[doc(alias = "accept4")]
-pub fn acceptfrom_with<Fd: AsFd>(
-    sockfd: Fd,
-    flags: SocketFlags,
-) -> io::Result<(OwnedFd, Option<SocketAddrAny>)> {
-    backend::net::syscalls::acceptfrom_with(sockfd.as_fd(), flags)
-}
-
-/// `shutdown(fd, how)`—Closes the read and/or write sides of a stream.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#close-and-shutdownget-outta-my-face
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/shutdown.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/shutdown.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-shutdown
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=shutdown&sektion=2
-/// [NetBSD]: https://man.netbsd.org/shutdown.2
-/// [OpenBSD]: https://man.openbsd.org/shutdown.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=shutdown&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/shutdown
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Closing-a-Socket.html
-#[inline]
-pub fn shutdown<Fd: AsFd>(sockfd: Fd, how: Shutdown) -> io::Result<()> {
-    backend::net::syscalls::shutdown(sockfd.as_fd(), how)
-}
-
-/// `getsockname(fd, addr, len)`—Returns the address a socket is bound to.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockname.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/getsockname.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getsockname.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-getsockname
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=getsockname&sektion=2
-/// [NetBSD]: https://man.netbsd.org/getsockname.2
-/// [OpenBSD]: https://man.openbsd.org/getsockname.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=getsockname&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/getsockname
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Reading-Address.html
-#[inline]
-pub fn getsockname<Fd: AsFd>(sockfd: Fd) -> io::Result<SocketAddrAny> {
-    backend::net::syscalls::getsockname(sockfd.as_fd())
-}
-
-/// `getpeername(fd, addr, len)`—Returns the address a socket is connected
-/// to.
-///
-/// # References
-///  - [Beej's Guide to Network Programming]
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [Winsock]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [Beej's Guide to Network Programming]: https://beej.us/guide/bgnet/html/split/system-calls-or-bust.html#getpeernamewho-are-you
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/getpeername.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getpeername.2.html
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-getpeername
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=getpeername&sektion=2
-/// [NetBSD]: https://man.netbsd.org/getpeername.2
-/// [OpenBSD]: https://man.openbsd.org/getpeername.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=getpeername&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/getpeername
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Who-is-Connected.html
-#[inline]
-pub fn getpeername<Fd: AsFd>(sockfd: Fd) -> io::Result<Option<SocketAddrAny>> {
-    backend::net::syscalls::getpeername(sockfd.as_fd())
-}
diff --git a/vendor/rustix/src/net/socket_addr_any.rs b/vendor/rustix/src/net/socket_addr_any.rs
deleted file mode 100644
index a649015..0000000
--- a/vendor/rustix/src/net/socket_addr_any.rs
+++ /dev/null
@@ -1,113 +0,0 @@
-//! A socket address for any kind of socket.
-//!
-//! This is similar to [`std::net::SocketAddr`], but also supports Unix-domain
-//! socket addresses on Unix.
-//!
-//! # Safety
-//!
-//! The `read` and `write` functions allow decoding and encoding from and to
-//! OS-specific socket address representations in memory.
-#![allow(unsafe_code)]
-
-#[cfg(unix)]
-use crate::net::SocketAddrUnix;
-use crate::net::{AddressFamily, SocketAddr, SocketAddrV4, SocketAddrV6};
-use crate::{backend, io};
-#[cfg(feature = "std")]
-use core::fmt;
-
-pub use backend::net::addr::SocketAddrStorage;
-
-/// `struct sockaddr_storage` as a Rust enum.
-#[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
-#[doc(alias = "sockaddr")]
-#[non_exhaustive]
-pub enum SocketAddrAny {
-    /// `struct sockaddr_in`
-    V4(SocketAddrV4),
-    /// `struct sockaddr_in6`
-    V6(SocketAddrV6),
-    /// `struct sockaddr_un`
-    #[cfg(unix)]
-    Unix(SocketAddrUnix),
-}
-
-impl From<SocketAddr> for SocketAddrAny {
-    #[inline]
-    fn from(from: SocketAddr) -> Self {
-        match from {
-            SocketAddr::V4(v4) => Self::V4(v4),
-            SocketAddr::V6(v6) => Self::V6(v6),
-        }
-    }
-}
-
-impl From<SocketAddrV4> for SocketAddrAny {
-    #[inline]
-    fn from(from: SocketAddrV4) -> Self {
-        Self::V4(from)
-    }
-}
-
-impl From<SocketAddrV6> for SocketAddrAny {
-    #[inline]
-    fn from(from: SocketAddrV6) -> Self {
-        Self::V6(from)
-    }
-}
-
-#[cfg(unix)]
-impl From<SocketAddrUnix> for SocketAddrAny {
-    #[inline]
-    fn from(from: SocketAddrUnix) -> Self {
-        Self::Unix(from)
-    }
-}
-
-impl SocketAddrAny {
-    /// Return the address family of this socket address.
-    #[inline]
-    pub const fn address_family(&self) -> AddressFamily {
-        match self {
-            Self::V4(_) => AddressFamily::INET,
-            Self::V6(_) => AddressFamily::INET6,
-            #[cfg(unix)]
-            Self::Unix(_) => AddressFamily::UNIX,
-        }
-    }
-
-    /// Writes a platform-specific encoding of this socket address to
-    /// the memory pointed to by `storage`, and returns the number of
-    /// bytes used.
-    ///
-    /// # Safety
-    ///
-    /// `storage` must point to valid memory for encoding the socket
-    /// address.
-    pub unsafe fn write(&self, storage: *mut SocketAddrStorage) -> usize {
-        backend::net::write_sockaddr::write_sockaddr(self, storage)
-    }
-
-    /// Reads a platform-specific encoding of a socket address from
-    /// the memory pointed to by `storage`, which uses `len` bytes.
-    ///
-    /// # Safety
-    ///
-    /// `storage` must point to valid memory for decoding a socket
-    /// address.
-    pub unsafe fn read(storage: *const SocketAddrStorage, len: usize) -> io::Result<Self> {
-        backend::net::read_sockaddr::read_sockaddr(storage, len)
-    }
-}
-
-#[cfg(feature = "std")]
-impl fmt::Debug for SocketAddrAny {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Self::V4(v4) => v4.fmt(fmt),
-            Self::V6(v6) => v6.fmt(fmt),
-            #[cfg(unix)]
-            Self::Unix(unix) => unix.fmt(fmt),
-        }
-    }
-}
diff --git a/vendor/rustix/src/net/socketpair.rs b/vendor/rustix/src/net/socketpair.rs
deleted file mode 100644
index 7228e71..0000000
--- a/vendor/rustix/src/net/socketpair.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use crate::fd::OwnedFd;
-use crate::net::{AddressFamily, Protocol, SocketFlags, SocketType};
-use crate::{backend, io};
-
-/// `socketpair(domain, type_ | accept_flags, protocol)`—Create a pair of
-/// sockets that are connected to each other.
-///
-/// # References
-///  - [POSIX]
-///  - [Linux]
-///  - [Apple]
-///  - [FreeBSD]
-///  - [NetBSD]
-///  - [OpenBSD]
-///  - [DragonFly BSD]
-///  - [illumos]
-///  - [glibc]
-///
-/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/socketpair.html
-/// [Linux]: https://man7.org/linux/man-pages/man2/socketpair.2.html
-/// [Apple]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/socketpair.2.html
-/// [FreeBSD]: https://man.freebsd.org/cgi/man.cgi?query=socketpair&sektion=2
-/// [NetBSD]: https://man.netbsd.org/socketpair.2
-/// [OpenBSD]: https://man.openbsd.org/socketpair.2
-/// [DragonFly BSD]: https://man.dragonflybsd.org/?command=socketpair&section=2
-/// [illumos]: https://illumos.org/man/3SOCKET/socketpair
-/// [glibc]: https://www.gnu.org/software/libc/manual/html_node/Socket-Pairs.html
-#[inline]
-pub fn socketpair(
-    domain: AddressFamily,
-    type_: SocketType,
-    flags: SocketFlags,
-    protocol: Option<Protocol>,
-) -> io::Result<(OwnedFd, OwnedFd)> {
-    backend::net::syscalls::socketpair(domain, type_, flags, protocol)
-}
diff --git a/vendor/rustix/src/net/sockopt.rs b/vendor/rustix/src/net/sockopt.rs
deleted file mode 100644
index df04c4a..0000000
--- a/vendor/rustix/src/net/sockopt.rs
+++ /dev/null
@@ -1,1382 +0,0 @@
-//! `getsockopt` and `setsockopt` functions.
-//!
-//! In the rustix API, there is a separate function for each option, so that it
-//! can be given an option-specific type signature.
-//!
-//! # References for all `get_*` functions:
-//!
-//!  - [POSIX `getsockopt`]
-//!  - [Linux `getsockopt`]
-//!  - [Winsock `getsockopt`]
-//!  - [Apple `getsockopt`]
-//!  - [FreeBSD `getsockopt`]
-//!  - [NetBSD `getsockopt`]
-//!  - [OpenBSD `getsockopt`]
-//!  - [DragonFly BSD `getsockopt`]
-//!  - [illumos `getsockopt`]
-//!  - [glibc `getsockopt`]
-//!
-//! [POSIX `getsockopt`]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockopt.html
-//! [Linux `getsockopt`]: https://man7.org/linux/man-pages/man2/getsockopt.2.html
-//! [Winsock `getsockopt`]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-getsockopt
-//! [Apple `getsockopt`]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/getsockopt.2.html
-//! [FreeBSD `getsockopt`]: https://man.freebsd.org/cgi/man.cgi?query=getsockopt&sektion=2
-//! [NetBSD `getsockopt`]: https://man.netbsd.org/getsockopt.2
-//! [OpenBSD `getsockopt`]: https://man.openbsd.org/getsockopt.2
-//! [DragonFly BSD `getsockopt`]: https://man.dragonflybsd.org/?command=getsockopt&section=2
-//! [illumos `getsockopt`]: https://illumos.org/man/3SOCKET/getsockopt
-//! [glibc `getsockopt`]: https://www.gnu.org/software/libc/manual/html_node/Socket-Option-Functions.html
-//!
-//! # References for all `set_*` functions:
-//!
-//!  - [POSIX `setsockopt`]
-//!  - [Linux `setsockopt`]
-//!  - [Winsock `setsockopt`]
-//!  - [Apple `setsockopt`]
-//!  - [FreeBSD `setsockopt`]
-//!  - [NetBSD `setsockopt`]
-//!  - [OpenBSD `setsockopt`]
-//!  - [DragonFly BSD `setsockopt`]
-//!  - [illumos `setsockopt`]
-//!  - [glibc `setsockopt`]
-//!
-//! [POSIX `setsockopt`]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setsockopt.html
-//! [Linux `setsockopt`]: https://man7.org/linux/man-pages/man2/setsockopt.2.html
-//! [Winsock `setsockopt`]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-setsockopt
-//! [Apple `setsockopt`]: https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/setsockopt.2.html
-//! [FreeBSD `setsockopt`]: https://man.freebsd.org/cgi/man.cgi?query=setsockopt&sektion=2
-//! [NetBSD `setsockopt`]: https://man.netbsd.org/setsockopt.2
-//! [OpenBSD `setsockopt`]: https://man.openbsd.org/setsockopt.2
-//! [DragonFly BSD `setsockopt`]: https://man.dragonflybsd.org/?command=setsockopt&section=2
-//! [illumos `setsockopt`]: https://illumos.org/man/3SOCKET/setsockopt
-//! [glibc `setsockopt`]: https://www.gnu.org/software/libc/manual/html_node/Socket-Option-Functions.html
-//!
-//! # References for `get_socket_*` and `set_socket_*` functions:
-//!
-//!  - [References for all `get_*` functions]
-//!  - [References for all `set_*` functions]
-//!  - [POSIX `sys/socket.h`]
-//!  - [Linux `socket`]
-//!  - [Winsock `SOL_SOCKET` options]
-//!  - [glibc `SOL_SOCKET` Options]
-//!
-//! [POSIX `sys/socket.h`]: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_socket.h.html
-//! [Linux `socket`]: https://man7.org/linux/man-pages/man7/socket.7.html
-//! [Winsock `SOL_SOCKET` options]: https://docs.microsoft.com/en-us/windows/win32/winsock/sol-socket-socket-options
-//! [glibc `SOL_SOCKET` options]: https://www.gnu.org/software/libc/manual/html_node/Socket_002dLevel-Options.html
-//!
-//! # References for `get_ip_*` and `set_ip_*` functions:
-//!
-//!  - [References for all `get_*` functions]
-//!  - [References for all `set_*` functions]
-//!  - [POSIX `netinet/in.h`]
-//!  - [Linux `ip`]
-//!  - [Winsock `IPPROTO_IP` options]
-//!  - [Apple `ip`]
-//!  - [FreeBSD `ip`]
-//!  - [NetBSD `ip`]
-//!  - [OpenBSD `ip`]
-//!  - [DragonFly BSD `ip`]
-//!  - [illumos `ip`]
-//!
-//! [POSIX `netinet/in.h`]: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html
-//! [Linux `ip`]: https://man7.org/linux/man-pages/man7/ip.7.html
-//! [Winsock `IPPROTO_IP` options]: https://docs.microsoft.com/en-us/windows/win32/winsock/ipproto-ip-socket-options
-//! [Apple `ip`]: https://opensource.apple.com/source/xnu/xnu-7195.81.3/bsd/man/man4/ip.4.auto.html
-//! [FreeBSD `ip`]: https://man.freebsd.org/cgi/man.cgi?query=ip&sektion=4
-//! [NetBSD `ip`]: https://man.netbsd.org/ip.4
-//! [OpenBSD `ip`]: https://man.openbsd.org/ip.4
-//! [DragonFly BSD `ip`]: https://man.dragonflybsd.org/?command=ip&section=4
-//! [illumos `ip`]: https://illumos.org/man/4P/ip
-//!
-//! # References for `get_ipv6_*` and `set_ipv6_*` functions:
-//!
-//!  - [References for all `get_*` functions]
-//!  - [References for all `set_*` functions]
-//!  - [POSIX `netinet/in.h`]
-//!  - [Linux `ipv6`]
-//!  - [Winsock `IPPROTO_IPV6` options]
-//!  - [Apple `ip6`]
-//!  - [FreeBSD `ip6`]
-//!  - [NetBSD `ip6`]
-//!  - [OpenBSD `ip6`]
-//!  - [DragonFly BSD `ip6`]
-//!  - [illumos `ip6`]
-//!
-//! [POSIX `netinet/in.h`]: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html
-//! [Linux `ipv6`]: https://man7.org/linux/man-pages/man7/ipv6.7.html
-//! [Winsock `IPPROTO_IPV6` options]: https://docs.microsoft.com/en-us/windows/win32/winsock/ipproto-ipv6-socket-options
-//! [Apple `ip6`]: https://opensource.apple.com/source/xnu/xnu-7195.81.3/bsd/man/man4/ip6.4.auto.html
-//! [FreeBSD `ip6`]: https://man.freebsd.org/cgi/man.cgi?query=ip6&sektion=4
-//! [NetBSD `ip6`]: https://man.netbsd.org/ip6.4
-//! [OpenBSD `ip6`]: https://man.openbsd.org/ip6.4
-//! [DragonFly BSD `ip6`]: https://man.dragonflybsd.org/?command=ip6&section=4
-//! [illumos `ip6`]: https://illumos.org/man/4P/ip6
-//!
-//! # References for `get_tcp_*` and `set_tcp_*` functions:
-//!
-//!  - [References for all `get_*` functions]
-//!  - [References for all `set_*` functions]
-//!  - [POSIX `netinet/tcp.h`]
-//!  - [Linux `tcp`]
-//!  - [Winsock `IPPROTO_TCP` options]
-//!  - [Apple `tcp`]
-//!  - [FreeBSD `tcp`]
-//!  - [NetBSD `tcp`]
-//!  - [OpenBSD `tcp`]
-//!  - [DragonFly BSD `tcp`]
-//!  - [illumos `tcp`]
-//!
-//! [POSIX `netinet/tcp.h`]: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netinet_tcp.h.html
-//! [Linux `tcp`]: https://man7.org/linux/man-pages/man7/tcp.7.html
-//! [Winsock `IPPROTO_TCP` options]: https://docs.microsoft.com/en-us/windows/win32/winsock/ipproto-tcp-socket-options
-//! [Apple `tcp`]: https://opensource.apple.com/source/xnu/xnu-7195.81.3/bsd/man/man4/tcp.4.auto.html
-//! [FreeBSD `tcp`]: https://man.freebsd.org/cgi/man.cgi?query=tcp&sektion=4
-//! [NetBSD `tcp`]: https://man.netbsd.org/tcp.4
-//! [OpenBSD `tcp`]: https://man.openbsd.org/tcp.4
-//! [DragonFly BSD `tcp`]: https://man.dragonflybsd.org/?command=tcp&section=4
-//! [illumos `tcp`]: https://illumos.org/man/4P/tcp
-//!
-//! [References for all `get_*` functions]: #references-for-all-get_-functions
-//! [References for all `set_*` functions]: #references-for-all-set_-functions
-
-#![doc(alias = "getsockopt")]
-#![doc(alias = "setsockopt")]
-
-#[cfg(not(any(
-    apple,
-    windows,
-    target_os = "aix",
-    target_os = "dragonfly",
-    target_os = "emscripten",
-    target_os = "espidf",
-    target_os = "haiku",
-    target_os = "netbsd",
-    target_os = "nto",
-    target_os = "vita",
-)))]
-use crate::net::AddressFamily;
-#[cfg(any(
-    linux_kernel,
-    target_os = "freebsd",
-    target_os = "fuchsia",
-    target_os = "openbsd",
-    target_os = "redox",
-    target_env = "newlib"
-))]
-use crate::net::Protocol;
-#[cfg(any(linux_kernel, target_os = "fuchsia"))]
-use crate::net::SocketAddrV4;
-#[cfg(linux_kernel)]
-use crate::net::SocketAddrV6;
-use crate::net::{Ipv4Addr, Ipv6Addr, SocketType};
-use crate::{backend, io};
-#[cfg(feature = "alloc")]
-#[cfg(any(
-    linux_like,
-    target_os = "freebsd",
-    target_os = "fuchsia",
-    target_os = "illumos"
-))]
-use alloc::string::String;
-use backend::c;
-use backend::fd::AsFd;
-use core::time::Duration;
-
-/// Timeout identifier for use with [`set_socket_timeout`] and
-/// [`get_socket_timeout`].
-#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-#[repr(u32)]
-pub enum Timeout {
-    /// `SO_RCVTIMEO`—Timeout for receiving.
-    Recv = c::SO_RCVTIMEO as _,
-
-    /// `SO_SNDTIMEO`—Timeout for sending.
-    Send = c::SO_SNDTIMEO as _,
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_TYPE)`—Returns the type of a socket.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_TYPE")]
-pub fn get_socket_type<Fd: AsFd>(fd: Fd) -> io::Result<SocketType> {
-    backend::net::sockopt::get_socket_type(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, value)`—Set whether local
-/// addresses may be reused in `bind`.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_REUSEADDR")]
-pub fn set_socket_reuseaddr<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_reuseaddr(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_REUSEADDR)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_REUSEADDR")]
-pub fn get_socket_reuseaddr<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_reuseaddr(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_BROADCAST, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_BROADCAST")]
-pub fn set_socket_broadcast<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_broadcast(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_BROADCAST)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_BROADCAST")]
-pub fn get_socket_broadcast<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_broadcast(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_LINGER, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_LINGER")]
-pub fn set_socket_linger<Fd: AsFd>(fd: Fd, value: Option<Duration>) -> io::Result<()> {
-    backend::net::sockopt::set_socket_linger(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_LINGER)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_LINGER")]
-pub fn get_socket_linger<Fd: AsFd>(fd: Fd) -> io::Result<Option<Duration>> {
-    backend::net::sockopt::get_socket_linger(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_PASSCRED, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(linux_kernel)]
-#[inline]
-#[doc(alias = "SO_PASSCRED")]
-pub fn set_socket_passcred<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_passcred(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_PASSCRED)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(linux_kernel)]
-#[inline]
-#[doc(alias = "SO_PASSCRED")]
-pub fn get_socket_passcred<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_passcred(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, id, value)`—Set the sending or receiving
-/// timeout.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_RCVTIMEO")]
-#[doc(alias = "SO_SNDTIMEO")]
-pub fn set_socket_timeout<Fd: AsFd>(
-    fd: Fd,
-    id: Timeout,
-    value: Option<Duration>,
-) -> io::Result<()> {
-    backend::net::sockopt::set_socket_timeout(fd.as_fd(), id, value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, id)`—Get the sending or receiving timeout.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_RCVTIMEO")]
-#[doc(alias = "SO_SNDTIMEO")]
-pub fn get_socket_timeout<Fd: AsFd>(fd: Fd, id: Timeout) -> io::Result<Option<Duration>> {
-    backend::net::sockopt::get_socket_timeout(fd.as_fd(), id)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_ERROR)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_ERROR")]
-pub fn get_socket_error<Fd: AsFd>(fd: Fd) -> io::Result<Result<(), io::Errno>> {
-    backend::net::sockopt::get_socket_error(fd.as_fd())
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_NOSIGPIPE)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(any(apple, freebsdlike, target_os = "netbsd"))]
-#[doc(alias = "SO_NOSIGPIPE")]
-#[inline]
-pub fn get_socket_nosigpipe<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_nosigpipe(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_NOSIGPIPE, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(any(apple, freebsdlike, target_os = "netbsd"))]
-#[doc(alias = "SO_NOSIGPIPE")]
-#[inline]
-pub fn set_socket_nosigpipe<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_nosigpipe(fd.as_fd(), value)
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_KEEPALIVE")]
-pub fn set_socket_keepalive<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_keepalive(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_KEEPALIVE)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_KEEPALIVE")]
-pub fn get_socket_keepalive<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_keepalive(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_RCVBUF, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_RCVBUF")]
-pub fn set_socket_recv_buffer_size<Fd: AsFd>(fd: Fd, value: usize) -> io::Result<()> {
-    backend::net::sockopt::set_socket_recv_buffer_size(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_RCVBUF)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_RCVBUF")]
-pub fn get_socket_recv_buffer_size<Fd: AsFd>(fd: Fd) -> io::Result<usize> {
-    backend::net::sockopt::get_socket_recv_buffer_size(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_SNDBUF, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_SNDBUF")]
-pub fn set_socket_send_buffer_size<Fd: AsFd>(fd: Fd, value: usize) -> io::Result<()> {
-    backend::net::sockopt::set_socket_send_buffer_size(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_SNDBUF)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_SNDBUF")]
-pub fn get_socket_send_buffer_size<Fd: AsFd>(fd: Fd) -> io::Result<usize> {
-    backend::net::sockopt::get_socket_send_buffer_size(fd.as_fd())
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_DOMAIN)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(not(any(
-    apple,
-    windows,
-    target_os = "aix",
-    target_os = "dragonfly",
-    target_os = "emscripten",
-    target_os = "espidf",
-    target_os = "haiku",
-    target_os = "netbsd",
-    target_os = "nto",
-    target_os = "vita",
-)))]
-#[inline]
-#[doc(alias = "SO_DOMAIN")]
-pub fn get_socket_domain<Fd: AsFd>(fd: Fd) -> io::Result<AddressFamily> {
-    backend::net::sockopt::get_socket_domain(fd.as_fd())
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_ACCEPTCONN)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(not(apple))] // Apple platforms declare the constant, but do not actually implement it.
-#[inline]
-#[doc(alias = "SO_ACCEPTCONN")]
-pub fn get_socket_acceptconn<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_acceptconn(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_OOBINLINE, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_OOBINLINE")]
-pub fn set_socket_oobinline<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_oobinline(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_OOBINLINE)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "SO_OOBINLINE")]
-pub fn get_socket_oobinline<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_oobinline(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(not(any(solarish, windows)))]
-#[cfg(not(windows))]
-#[inline]
-#[doc(alias = "SO_REUSEPORT")]
-pub fn set_socket_reuseport<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_reuseport(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_REUSEPORT)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(not(any(solarish, windows)))]
-#[inline]
-#[doc(alias = "SO_REUSEPORT")]
-pub fn get_socket_reuseport<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_reuseport(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_REUSEPORT_LB, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(target_os = "freebsd")]
-#[inline]
-#[doc(alias = "SO_REUSEPORT_LB")]
-pub fn set_socket_reuseport_lb<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_socket_reuseport_lb(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_REUSEPORT_LB)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(target_os = "freebsd")]
-#[inline]
-#[doc(alias = "SO_REUSEPORT_LB")]
-pub fn get_socket_reuseport_lb<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_socket_reuseport_lb(fd.as_fd())
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_PROTOCOL)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(any(
-    linux_kernel,
-    target_os = "freebsd",
-    target_os = "fuchsia",
-    target_os = "openbsd",
-    target_os = "redox",
-    target_env = "newlib"
-))]
-#[inline]
-#[doc(alias = "SO_PROTOCOL")]
-pub fn get_socket_protocol<Fd: AsFd>(fd: Fd) -> io::Result<Option<Protocol>> {
-    backend::net::sockopt::get_socket_protocol(fd.as_fd())
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_COOKIE)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(target_os = "linux")]
-#[inline]
-#[doc(alias = "SO_COOKIE")]
-pub fn get_socket_cookie<Fd: AsFd>(fd: Fd) -> io::Result<u64> {
-    backend::net::sockopt::get_socket_cookie(fd.as_fd())
-}
-
-/// `getsockopt(fd, SOL_SOCKET, SO_INCOMING_CPU)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(target_os = "linux")]
-#[inline]
-#[doc(alias = "SO_INCOMING_CPU")]
-pub fn get_socket_incoming_cpu<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
-    backend::net::sockopt::get_socket_incoming_cpu(fd.as_fd())
-}
-
-/// `setsockopt(fd, SOL_SOCKET, SO_INCOMING_CPU, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[cfg(target_os = "linux")]
-#[inline]
-#[doc(alias = "SO_INCOMING_CPU")]
-pub fn set_socket_incoming_cpu<Fd: AsFd>(fd: Fd, value: u32) -> io::Result<()> {
-    backend::net::sockopt::set_socket_incoming_cpu(fd.as_fd(), value)
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_TTL, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_socket_-and-set_socket_-functions
-#[inline]
-#[doc(alias = "IP_TTL")]
-pub fn set_ip_ttl<Fd: AsFd>(fd: Fd, value: u32) -> io::Result<()> {
-    backend::net::sockopt::set_ip_ttl(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IP, IP_TTL)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[inline]
-#[doc(alias = "IP_TTL")]
-pub fn get_ip_ttl<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
-    backend::net::sockopt::get_ip_ttl(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_V6ONLY")]
-pub fn set_ipv6_v6only<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_v6only(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_V6ONLY")]
-pub fn get_ipv6_v6only<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_ipv6_v6only(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[inline]
-#[doc(alias = "IP_MULTICAST_LOOP")]
-pub fn set_ip_multicast_loop<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_ip_multicast_loop(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[inline]
-#[doc(alias = "IP_MULTICAST_LOOP")]
-pub fn get_ip_multicast_loop<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_ip_multicast_loop(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[inline]
-#[doc(alias = "IP_MULTICAST_TTL")]
-pub fn set_ip_multicast_ttl<Fd: AsFd>(fd: Fd, value: u32) -> io::Result<()> {
-    backend::net::sockopt::set_ip_multicast_ttl(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[inline]
-#[doc(alias = "IP_MULTICAST_TTL")]
-pub fn get_ip_multicast_ttl<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
-    backend::net::sockopt::get_ip_multicast_ttl(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_MULTICAST_LOOP")]
-pub fn set_ipv6_multicast_loop<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_multicast_loop(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_MULTICAST_LOOP")]
-pub fn get_ipv6_multicast_loop<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_ipv6_multicast_loop(fd.as_fd())
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_UNICAST_HOPS")]
-pub fn get_ipv6_unicast_hops<Fd: AsFd>(fd: Fd) -> io::Result<u8> {
-    backend::net::sockopt::get_ipv6_unicast_hops(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_UNICAST_HOPS")]
-pub fn set_ipv6_unicast_hops<Fd: AsFd>(fd: Fd, value: Option<u8>) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_unicast_hops(fd.as_fd(), value)
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_MULTICAST_HOPS")]
-pub fn set_ipv6_multicast_hops<Fd: AsFd>(fd: Fd, value: u32) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_multicast_hops(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_MULTICAST_HOPS")]
-pub fn get_ipv6_multicast_hops<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
-    backend::net::sockopt::get_ipv6_multicast_hops(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, multiaddr, interface)`
-///
-/// This is similar to [`set_ip_add_membership`] but always sets `ifindex`
-/// value to zero.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[inline]
-#[doc(alias = "IP_ADD_MEMBERSHIP")]
-pub fn set_ip_add_membership<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv4Addr,
-    interface: &Ipv4Addr,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ip_add_membership(fd.as_fd(), multiaddr, interface)
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, multiaddr, address,
-/// ifindex)`
-///
-/// This is similar to [`set_ip_add_membership_with_ifindex`] but additionally
-/// allows a `ifindex` value to be given.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(
-    apple,
-    freebsdlike,
-    linux_like,
-    target_os = "fuchsia",
-    target_os = "openbsd"
-))]
-#[inline]
-#[doc(alias = "IP_ADD_MEMBERSHIP")]
-pub fn set_ip_add_membership_with_ifindex<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv4Addr,
-    address: &Ipv4Addr,
-    ifindex: i32,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ip_add_membership_with_ifindex(
-        fd.as_fd(),
-        multiaddr,
-        address,
-        ifindex,
-    )
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_ADD_SOURCE_MEMBERSHIP, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(apple, freebsdlike, linux_like, solarish, target_os = "aix"))]
-#[inline]
-#[doc(alias = "IP_ADD_SOURCE_MEMBERSHIP")]
-pub fn set_ip_add_source_membership<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv4Addr,
-    interface: &Ipv4Addr,
-    sourceaddr: &Ipv4Addr,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ip_add_source_membership(
-        fd.as_fd(),
-        multiaddr,
-        interface,
-        sourceaddr,
-    )
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_DROP_SOURCE_MEMBERSHIP, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(apple, freebsdlike, linux_like, solarish, target_os = "aix"))]
-#[inline]
-#[doc(alias = "IP_DROP_SOURCE_MEMBERSHIP")]
-pub fn set_ip_drop_source_membership<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv4Addr,
-    interface: &Ipv4Addr,
-    sourceaddr: &Ipv4Addr,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ip_drop_source_membership(
-        fd.as_fd(),
-        multiaddr,
-        interface,
-        sourceaddr,
-    )
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, multiaddr, interface)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_JOIN_GROUP")]
-#[doc(alias = "IPV6_ADD_MEMBERSHIP")]
-pub fn set_ipv6_add_membership<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv6Addr,
-    interface: u32,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_add_membership(fd.as_fd(), multiaddr, interface)
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, multiaddr, interface)`
-///
-/// This is similar to [`set_ip_drop_membership`] but always sets `ifindex`
-/// value to zero.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[inline]
-#[doc(alias = "IP_DROP_MEMBERSHIP")]
-pub fn set_ip_drop_membership<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv4Addr,
-    interface: &Ipv4Addr,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ip_drop_membership(fd.as_fd(), multiaddr, interface)
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_DROP_MEMBERSHIP, multiaddr, interface)`
-///
-/// This is similar to [`set_ip_drop_membership_with_ifindex`] but additionally
-/// allows a `ifindex` value to be given.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(
-    apple,
-    freebsdlike,
-    linux_like,
-    target_os = "fuchsia",
-    target_os = "openbsd"
-))]
-#[inline]
-#[doc(alias = "IP_DROP_MEMBERSHIP")]
-pub fn set_ip_drop_membership_with_ifindex<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv4Addr,
-    address: &Ipv4Addr,
-    ifindex: i32,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ip_drop_membership_with_ifindex(
-        fd.as_fd(),
-        multiaddr,
-        address,
-        ifindex,
-    )
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, multiaddr, interface)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[inline]
-#[doc(alias = "IPV6_LEAVE_GROUP")]
-#[doc(alias = "IPV6_DROP_MEMBERSHIP")]
-pub fn set_ipv6_drop_membership<Fd: AsFd>(
-    fd: Fd,
-    multiaddr: &Ipv6Addr,
-    interface: u32,
-) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_drop_membership(fd.as_fd(), multiaddr, interface)
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_TOS, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(
-    bsd,
-    linux_like,
-    target_os = "aix",
-    target_os = "fuchsia",
-    target_os = "haiku",
-    target_os = "nto",
-    target_env = "newlib"
-))]
-#[inline]
-#[doc(alias = "IP_TOS")]
-pub fn set_ip_tos<Fd: AsFd>(fd: Fd, value: u8) -> io::Result<()> {
-    backend::net::sockopt::set_ip_tos(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IP, IP_TOS)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(
-    bsd,
-    linux_like,
-    target_os = "aix",
-    target_os = "fuchsia",
-    target_os = "haiku",
-    target_os = "nto",
-    target_env = "newlib"
-))]
-#[inline]
-#[doc(alias = "IP_TOS")]
-pub fn get_ip_tos<Fd: AsFd>(fd: Fd) -> io::Result<u8> {
-    backend::net::sockopt::get_ip_tos(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_RECVTOS, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(apple, linux_like, target_os = "freebsd", target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "IP_RECVTOS")]
-pub fn set_ip_recvtos<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_ip_recvtos(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IP, IP_RECVTOS)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ip_-and-set_ip_-functions
-#[cfg(any(apple, linux_like, target_os = "freebsd", target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "IP_RECVTOS")]
-pub fn get_ip_recvtos<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_ip_recvtos(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_RECVTCLASS, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(any(
-    bsd,
-    linux_like,
-    target_os = "aix",
-    target_os = "fuchsia",
-    target_os = "nto"
-))]
-#[inline]
-#[doc(alias = "IPV6_RECVTCLASS")]
-pub fn set_ipv6_recvtclass<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_recvtclass(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IPV6_RECVTCLASS)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(any(
-    bsd,
-    linux_like,
-    target_os = "aix",
-    target_os = "fuchsia",
-    target_os = "nto"
-))]
-#[inline]
-#[doc(alias = "IPV6_RECVTCLASS")]
-pub fn get_ipv6_recvtclass<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_ipv6_recvtclass(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IP, IP_FREEBIND, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(any(linux_kernel, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "IP_FREEBIND")]
-pub fn set_ip_freebind<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_ip_freebind(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IP, IP_FREEBIND)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(any(linux_kernel, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "IP_FREEBIND")]
-pub fn get_ip_freebind<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_ip_freebind(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_FREEBIND, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(linux_kernel)]
-#[inline]
-#[doc(alias = "IPV6_FREEBIND")]
-pub fn set_ipv6_freebind<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_freebind(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IPV6_FREEBIND)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(linux_kernel)]
-#[inline]
-#[doc(alias = "IPV6_FREEBIND")]
-pub fn get_ipv6_freebind<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_ipv6_freebind(fd.as_fd())
-}
-
-/// `getsockopt(fd, IPPROTO_IP, SO_ORIGINAL_DST)`
-///
-/// Even though this corresponnds to a `SO_*` constant, it is an `IPPROTO_IP`
-/// option.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(any(linux_kernel, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "SO_ORIGINAL_DST")]
-pub fn get_ip_original_dst<Fd: AsFd>(fd: Fd) -> io::Result<SocketAddrV4> {
-    backend::net::sockopt::get_ip_original_dst(fd.as_fd())
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IP6T_SO_ORIGINAL_DST)`
-///
-/// Even though this corresponnds to a `IP6T_*` constant, it is an
-/// `IPPROTO_IPV6` option.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(linux_kernel)]
-#[inline]
-#[doc(alias = "IP6T_SO_ORIGINAL_DST")]
-pub fn get_ipv6_original_dst<Fd: AsFd>(fd: Fd) -> io::Result<SocketAddrV6> {
-    backend::net::sockopt::get_ipv6_original_dst(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_IPV6, IPV6_TCLASS, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(not(any(
-    solarish,
-    windows,
-    target_os = "espidf",
-    target_os = "haiku",
-    target_os = "vita"
-)))]
-#[inline]
-#[doc(alias = "IPV6_TCLASS")]
-pub fn set_ipv6_tclass<Fd: AsFd>(fd: Fd, value: u32) -> io::Result<()> {
-    backend::net::sockopt::set_ipv6_tclass(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_IPV6, IPV6_TCLASS)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_ipv6_-and-set_ipv6_-functions
-#[cfg(not(any(
-    solarish,
-    windows,
-    target_os = "espidf",
-    target_os = "haiku",
-    target_os = "vita"
-)))]
-#[inline]
-#[doc(alias = "IPV6_TCLASS")]
-pub fn get_ipv6_tclass<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
-    backend::net::sockopt::get_ipv6_tclass(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[inline]
-#[doc(alias = "TCP_NODELAY")]
-pub fn set_tcp_nodelay<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_nodelay(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_NODELAY)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[inline]
-#[doc(alias = "TCP_NODELAY")]
-pub fn get_tcp_nodelay<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_tcp_nodelay(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(not(any(target_os = "openbsd", target_os = "haiku", target_os = "nto")))]
-#[inline]
-#[doc(alias = "TCP_KEEPCNT")]
-pub fn set_tcp_keepcnt<Fd: AsFd>(fd: Fd, value: u32) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_keepcnt(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(not(any(target_os = "openbsd", target_os = "haiku", target_os = "nto")))]
-#[inline]
-#[doc(alias = "TCP_KEEPCNT")]
-pub fn get_tcp_keepcnt<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
-    backend::net::sockopt::get_tcp_keepcnt(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE, value)`
-///
-/// `TCP_KEEPALIVE` on Apple platforms.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(not(any(target_os = "openbsd", target_os = "haiku", target_os = "nto")))]
-#[inline]
-#[doc(alias = "TCP_KEEPIDLE")]
-pub fn set_tcp_keepidle<Fd: AsFd>(fd: Fd, value: Duration) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_keepidle(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_KEEPIDLE)`
-///
-/// `TCP_KEEPALIVE` on Apple platforms.
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(not(any(target_os = "openbsd", target_os = "haiku", target_os = "nto")))]
-#[inline]
-#[doc(alias = "TCP_KEEPIDLE")]
-pub fn get_tcp_keepidle<Fd: AsFd>(fd: Fd) -> io::Result<Duration> {
-    backend::net::sockopt::get_tcp_keepidle(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(not(any(target_os = "openbsd", target_os = "haiku", target_os = "nto")))]
-#[inline]
-#[doc(alias = "TCP_KEEPINTVL")]
-pub fn set_tcp_keepintvl<Fd: AsFd>(fd: Fd, value: Duration) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_keepintvl(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(not(any(target_os = "openbsd", target_os = "haiku", target_os = "nto")))]
-#[inline]
-#[doc(alias = "TCP_KEEPINTVL")]
-pub fn get_tcp_keepintvl<Fd: AsFd>(fd: Fd) -> io::Result<Duration> {
-    backend::net::sockopt::get_tcp_keepintvl(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_USER_TIMEOUT, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_USER_TIMEOUT")]
-pub fn set_tcp_user_timeout<Fd: AsFd>(fd: Fd, value: u32) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_user_timeout(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_USER_TIMEOUT)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_USER_TIMEOUT")]
-pub fn get_tcp_user_timeout<Fd: AsFd>(fd: Fd) -> io::Result<u32> {
-    backend::net::sockopt::get_tcp_user_timeout(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_QUICKACK, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_QUICKACK")]
-pub fn set_tcp_quickack<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_quickack(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_QUICKACK)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_QUICKACK")]
-pub fn get_tcp_quickack<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_tcp_quickack(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_CONGESTION, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(
-    linux_like,
-    target_os = "freebsd",
-    target_os = "fuchsia",
-    target_os = "illumos"
-))]
-#[inline]
-#[doc(alias = "TCP_CONGESTION")]
-pub fn set_tcp_congestion<Fd: AsFd>(fd: Fd, value: &str) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_congestion(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_CONGESTION)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(feature = "alloc")]
-#[cfg(any(
-    linux_like,
-    target_os = "freebsd",
-    target_os = "fuchsia",
-    target_os = "illumos"
-))]
-#[inline]
-#[doc(alias = "TCP_CONGESTION")]
-pub fn get_tcp_congestion<Fd: AsFd>(fd: Fd) -> io::Result<String> {
-    backend::net::sockopt::get_tcp_congestion(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_THIN_LINEAR_TIMEOUTS, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_THIN_LINEAR_TIMEOUTS")]
-pub fn set_tcp_thin_linear_timeouts<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_thin_linear_timeouts(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_THIN_LINEAR_TIMEOUTS)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_THIN_LINEAR_TIMEOUTS")]
-pub fn get_tcp_thin_linear_timeouts<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_tcp_thin_linear_timeouts(fd.as_fd())
-}
-
-/// `setsockopt(fd, IPPROTO_TCP, TCP_CORK, value)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, solarish, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_CORK")]
-pub fn set_tcp_cork<Fd: AsFd>(fd: Fd, value: bool) -> io::Result<()> {
-    backend::net::sockopt::set_tcp_cork(fd.as_fd(), value)
-}
-
-/// `getsockopt(fd, IPPROTO_TCP, TCP_CORK)`
-///
-/// See the [module-level documentation] for more.
-///
-/// [module-level documentation]: self#references-for-get_tcp_-and-set_tcp_-functions
-#[cfg(any(linux_like, solarish, target_os = "fuchsia"))]
-#[inline]
-#[doc(alias = "TCP_CORK")]
-pub fn get_tcp_cork<Fd: AsFd>(fd: Fd) -> io::Result<bool> {
-    backend::net::sockopt::get_tcp_cork(fd.as_fd())
-}
-
-/// Get credentials of Unix domain socket peer process
-///
-/// # References
-///  - [Linux `unix`]
-///
-/// [Linux `unix`]: https://man7.org/linux/man-pages/man7/unix.7.html
-#[cfg(linux_kernel)]
-#[doc(alias = "SO_PEERCRED")]
-pub fn get_socket_peercred<Fd: AsFd>(fd: Fd) -> io::Result<super::UCred> {
-    backend::net::sockopt::get_socket_peercred(fd.as_fd())
-}
-
-#[test]
-fn test_sizes() {
-    use c::c_int;
-
-    // Backend code needs to cast these to `c_int` so make sure that cast
-    // isn't lossy.
-    assert_eq_size!(Timeout, c_int);
-}
diff --git a/vendor/rustix/src/net/types.rs b/vendor/rustix/src/net/types.rs
deleted file mode 100644
index ad60e36..0000000
--- a/vendor/rustix/src/net/types.rs
+++ /dev/null
@@ -1,1495 +0,0 @@
-//! Types and constants for `rustix::net`.
-
-use crate::backend::c;
-use bitflags::bitflags;
-
-/// A type for holding raw integer socket types.
-pub type RawSocketType = u32;
-
-/// `SOCK_*` constants for use with [`socket`].
-///
-/// [`socket`]: crate::net::socket()
-#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-#[repr(transparent)]
-pub struct SocketType(pub(crate) RawSocketType);
-
-#[rustfmt::skip]
-impl SocketType {
-    /// `SOCK_STREAM`
-    pub const STREAM: Self = Self(c::SOCK_STREAM as _);
-
-    /// `SOCK_DGRAM`
-    pub const DGRAM: Self = Self(c::SOCK_DGRAM as _);
-
-    /// `SOCK_SEQPACKET`
-    #[cfg(not(target_os = "espidf"))]
-    pub const SEQPACKET: Self = Self(c::SOCK_SEQPACKET as _);
-
-    /// `SOCK_RAW`
-    #[cfg(not(target_os = "espidf"))]
-    pub const RAW: Self = Self(c::SOCK_RAW as _);
-
-    /// `SOCK_RDM`
-    #[cfg(not(any(target_os = "espidf", target_os = "haiku")))]
-    pub const RDM: Self = Self(c::SOCK_RDM as _);
-
-    /// Constructs a `SocketType` from a raw integer.
-    #[inline]
-    pub const fn from_raw(raw: RawSocketType) -> Self {
-        Self(raw)
-    }
-
-    /// Returns the raw integer for this `SocketType`.
-    #[inline]
-    pub const fn as_raw(self) -> RawSocketType {
-        self.0
-    }
-}
-
-/// A type for holding raw integer address families.
-pub type RawAddressFamily = c::sa_family_t;
-
-/// `AF_*` constants for use with [`socket`], [`socket_with`], and
-/// [`socketpair`].
-///
-/// [`socket`]: crate::net::socket()
-/// [`socket_with`]: crate::net::socket_with
-/// [`socketpair`]: crate::net::socketpair()
-#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-#[repr(transparent)]
-pub struct AddressFamily(pub(crate) RawAddressFamily);
-
-#[rustfmt::skip]
-#[allow(non_upper_case_globals)]
-impl AddressFamily {
-    /// `AF_UNSPEC`
-    pub const UNSPEC: Self = Self(c::AF_UNSPEC as _);
-    /// `AF_INET`
-    ///
-    /// # References
-    ///  - [Linux]
-    ///
-    /// [Linux]: https://man7.org/linux/man-pages/man7/ip.7.html
-    pub const INET: Self = Self(c::AF_INET as _);
-    /// `AF_INET6`
-    ///
-    /// # References
-    ///  - [Linux]
-    ///
-    /// [Linux]: https://man7.org/linux/man-pages/man7/ipv6.7.html
-    pub const INET6: Self = Self(c::AF_INET6 as _);
-    /// `AF_NETLINK`
-    ///
-    /// # References
-    ///  - [Linux]
-    ///
-    /// [Linux]: https://man7.org/linux/man-pages/man7/netlink.7.html
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const NETLINK: Self = Self(c::AF_NETLINK as _);
-    /// `AF_UNIX`, aka `AF_LOCAL`
-    #[doc(alias = "LOCAL")]
-    pub const UNIX: Self = Self(c::AF_UNIX as _);
-    /// `AF_AX25`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const AX25: Self = Self(c::AF_AX25 as _);
-    /// `AF_IPX`
-    #[cfg(not(any(
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "vita",
-    )))]
-    pub const IPX: Self = Self(c::AF_IPX as _);
-    /// `AF_APPLETALK`
-    #[cfg(not(any(target_os = "espidf", target_os = "vita")))]
-    pub const APPLETALK: Self = Self(c::AF_APPLETALK as _);
-    /// `AF_NETROM`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const NETROM: Self = Self(c::AF_NETROM as _);
-    /// `AF_BRIDGE`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const BRIDGE: Self = Self(c::AF_BRIDGE as _);
-    /// `AF_ATMPVC`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const ATMPVC: Self = Self(c::AF_ATMPVC as _);
-    /// `AF_X25`
-    #[cfg(not(any(
-        bsd,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const X25: Self = Self(c::AF_X25 as _);
-    /// `AF_ROSE`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const ROSE: Self = Self(c::AF_ROSE as _);
-    /// `AF_DECnet`
-    #[cfg(not(any(target_os = "espidf", target_os = "haiku", target_os = "vita")))]
-    pub const DECnet: Self = Self(c::AF_DECnet as _);
-    /// `AF_NETBEUI`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const NETBEUI: Self = Self(c::AF_NETBEUI as _);
-    /// `AF_SECURITY`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const SECURITY: Self = Self(c::AF_SECURITY as _);
-    /// `AF_KEY`
-    #[cfg(not(any(
-        bsd,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const KEY: Self = Self(c::AF_KEY as _);
-    /// `AF_PACKET`
-    ///
-    /// # References
-    ///  - [Linux]
-    ///
-    /// [Linux]: https://man7.org/linux/man-pages/man7/packet.7.html
-    #[cfg(not(any(
-        bsd,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const PACKET: Self = Self(c::AF_PACKET as _);
-    /// `AF_ASH`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const ASH: Self = Self(c::AF_ASH as _);
-    /// `AF_ECONET`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const ECONET: Self = Self(c::AF_ECONET as _);
-    /// `AF_ATMSVC`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const ATMSVC: Self = Self(c::AF_ATMSVC as _);
-    /// `AF_RDS`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const RDS: Self = Self(c::AF_RDS as _);
-    /// `AF_SNA`
-    #[cfg(not(any(target_os = "espidf", target_os = "haiku", target_os = "vita")))]
-    pub const SNA: Self = Self(c::AF_SNA as _);
-    /// `AF_IRDA`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const IRDA: Self = Self(c::AF_IRDA as _);
-    /// `AF_PPPOX`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const PPPOX: Self = Self(c::AF_PPPOX as _);
-    /// `AF_WANPIPE`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const WANPIPE: Self = Self(c::AF_WANPIPE as _);
-    /// `AF_LLC`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const LLC: Self = Self(c::AF_LLC as _);
-    /// `AF_CAN`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const CAN: Self = Self(c::AF_CAN as _);
-    /// `AF_TIPC`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const TIPC: Self = Self(c::AF_TIPC as _);
-    /// `AF_BLUETOOTH`
-    #[cfg(not(any(
-        apple,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "vita",
-    )))]
-    pub const BLUETOOTH: Self = Self(c::AF_BLUETOOTH as _);
-    /// `AF_IUCV`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const IUCV: Self = Self(c::AF_IUCV as _);
-    /// `AF_RXRPC`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const RXRPC: Self = Self(c::AF_RXRPC as _);
-    /// `AF_ISDN`
-    #[cfg(not(any(
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita",
-    )))]
-    pub const ISDN: Self = Self(c::AF_ISDN as _);
-    /// `AF_PHONET`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const PHONET: Self = Self(c::AF_PHONET as _);
-    /// `AF_IEEE802154`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const IEEE802154: Self = Self(c::AF_IEEE802154 as _);
-    /// `AF_802`
-    #[cfg(solarish)]
-    pub const EIGHT_ZERO_TWO: Self = Self(c::AF_802 as _);
-    #[cfg(target_os = "fuchsia")]
-    /// `AF_ALG`
-    pub const ALG: Self = Self(c::AF_ALG as _);
-    #[cfg(any(target_os = "freebsd", target_os = "netbsd", target_os = "nto"))]
-    /// `AF_ARP`
-    pub const ARP: Self = Self(c::AF_ARP as _);
-    /// `AF_ATM`
-    #[cfg(freebsdlike)]
-    pub const ATM: Self = Self(c::AF_ATM as _);
-    /// `AF_CAIF`
-    #[cfg(any(target_os = "android", target_os = "emscripten", target_os = "fuchsia"))]
-    pub const CAIF: Self = Self(c::AF_CAIF as _);
-    /// `AF_CCITT`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const CCITT: Self = Self(c::AF_CCITT as _);
-    /// `AF_CHAOS`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const CHAOS: Self = Self(c::AF_CHAOS as _);
-    /// `AF_CNT`
-    #[cfg(any(bsd, target_os = "nto"))]
-    pub const CNT: Self = Self(c::AF_CNT as _);
-    /// `AF_COIP`
-    #[cfg(any(bsd, target_os = "nto"))]
-    pub const COIP: Self = Self(c::AF_COIP as _);
-    /// `AF_DATAKIT`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const DATAKIT: Self = Self(c::AF_DATAKIT as _);
-    /// `AF_DLI`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "haiku", target_os = "nto"))]
-    pub const DLI: Self = Self(c::AF_DLI as _);
-    /// `AF_E164`
-    #[cfg(any(bsd, target_os = "nto"))]
-    pub const E164: Self = Self(c::AF_E164 as _);
-    /// `AF_ECMA`
-    #[cfg(any(apple, freebsdlike, solarish, target_os = "aix", target_os = "nto", target_os = "openbsd"))]
-    pub const ECMA: Self = Self(c::AF_ECMA as _);
-    /// `AF_ENCAP`
-    #[cfg(target_os = "openbsd")]
-    pub const ENCAP: Self = Self(c::AF_ENCAP as _);
-    /// `AF_FILE`
-    #[cfg(solarish)]
-    pub const FILE: Self = Self(c::AF_FILE as _);
-    /// `AF_GOSIP`
-    #[cfg(solarish)]
-    pub const GOSIP: Self = Self(c::AF_GOSIP as _);
-    /// `AF_HYLINK`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const HYLINK: Self = Self(c::AF_HYLINK as _);
-    /// `AF_IB`
-    #[cfg(any(target_os = "emscripten", target_os = "fuchsia"))]
-    pub const IB: Self = Self(c::AF_IB as _);
-    /// `AF_IMPLINK`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const IMPLINK: Self = Self(c::AF_IMPLINK as _);
-    /// `AF_IEEE80211`
-    #[cfg(any(apple, freebsdlike, target_os = "netbsd"))]
-    pub const IEEE80211: Self = Self(c::AF_IEEE80211 as _);
-    /// `AF_INET6_SDP`
-    #[cfg(target_os = "freebsd")]
-    pub const INET6_SDP: Self = Self(c::AF_INET6_SDP as _);
-    /// `AF_INET_OFFLOAD`
-    #[cfg(solarish)]
-    pub const INET_OFFLOAD: Self = Self(c::AF_INET_OFFLOAD as _);
-    /// `AF_INET_SDP`
-    #[cfg(target_os = "freebsd")]
-    pub const INET_SDP: Self = Self(c::AF_INET_SDP as _);
-    /// `AF_INTF`
-    #[cfg(target_os = "aix")]
-    pub const INTF: Self = Self(c::AF_INTF as _);
-    /// `AF_ISO`
-    #[cfg(any(bsd, target_os = "aix", target_os = "nto"))]
-    pub const ISO: Self = Self(c::AF_ISO as _);
-    /// `AF_LAT`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const LAT: Self = Self(c::AF_LAT as _);
-    /// `AF_LINK`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "haiku", target_os = "nto"))]
-    pub const LINK: Self = Self(c::AF_LINK as _);
-    /// `AF_MPLS`
-    #[cfg(any(netbsdlike, target_os = "dragonfly", target_os = "emscripten", target_os = "fuchsia"))]
-    pub const MPLS: Self = Self(c::AF_MPLS as _);
-    /// `AF_NATM`
-    #[cfg(any(bsd, target_os = "nto"))]
-    pub const NATM: Self = Self(c::AF_NATM as _);
-    /// `AF_NBS`
-    #[cfg(solarish)]
-    pub const NBS: Self = Self(c::AF_NBS as _);
-    /// `AF_NCA`
-    #[cfg(solarish)]
-    pub const NCA: Self = Self(c::AF_NCA as _);
-    /// `AF_NDD`
-    #[cfg(target_os = "aix")]
-    pub const NDD: Self = Self(c::AF_NDD as _);
-    /// `AF_NDRV`
-    #[cfg(apple)]
-    pub const NDRV: Self = Self(c::AF_NDRV as _);
-    /// `AF_NETBIOS`
-    #[cfg(any(apple, freebsdlike))]
-    pub const NETBIOS: Self = Self(c::AF_NETBIOS as _);
-    /// `AF_NETGRAPH`
-    #[cfg(freebsdlike)]
-    pub const NETGRAPH: Self = Self(c::AF_NETGRAPH as _);
-    /// `AF_NIT`
-    #[cfg(solarish)]
-    pub const NIT: Self = Self(c::AF_NIT as _);
-    /// `AF_NOTIFY`
-    #[cfg(target_os = "haiku")]
-    pub const NOTIFY: Self = Self(c::AF_NOTIFY as _);
-    /// `AF_NFC`
-    #[cfg(any(target_os = "emscripten", target_os = "fuchsia"))]
-    pub const NFC: Self = Self(c::AF_NFC as _);
-    /// `AF_NS`
-    #[cfg(any(apple, solarish, netbsdlike, target_os = "aix", target_os = "nto"))]
-    pub const NS: Self = Self(c::AF_NS as _);
-    /// `AF_OROUTE`
-    #[cfg(target_os = "netbsd")]
-    pub const OROUTE: Self = Self(c::AF_OROUTE as _);
-    /// `AF_OSI`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const OSI: Self = Self(c::AF_OSI as _);
-    /// `AF_OSINET`
-    #[cfg(solarish)]
-    pub const OSINET: Self = Self(c::AF_OSINET as _);
-    /// `AF_POLICY`
-    #[cfg(solarish)]
-    pub const POLICY: Self = Self(c::AF_POLICY as _);
-    /// `AF_PPP`
-    #[cfg(apple)]
-    pub const PPP: Self = Self(c::AF_PPP as _);
-    /// `AF_PUP`
-    #[cfg(any(bsd, solarish, target_os = "aix", target_os = "nto"))]
-    pub const PUP: Self = Self(c::AF_PUP as _);
-    /// `AF_RIF`
-    #[cfg(target_os = "aix")]
-    pub const RIF: Self = Self(c::AF_RIF as _);
-    /// `AF_ROUTE`
-    #[cfg(any(bsd, solarish, target_os = "android", target_os = "emscripten", target_os = "fuchsia", target_os = "haiku", target_os = "nto"))]
-    pub const ROUTE: Self = Self(c::AF_ROUTE as _);
-    /// `AF_SCLUSTER`
-    #[cfg(target_os = "freebsd")]
-    pub const SCLUSTER: Self = Self(c::AF_SCLUSTER as _);
-    /// `AF_SIP`
-    #[cfg(any(apple, target_os = "freebsd", target_os = "openbsd"))]
-    pub const SIP: Self = Self(c::AF_SIP as _);
-    /// `AF_SLOW`
-    #[cfg(target_os = "freebsd")]
-    pub const SLOW: Self = Self(c::AF_SLOW as _);
-    /// `AF_SYS_CONTROL`
-    #[cfg(apple)]
-    pub const SYS_CONTROL: Self = Self(c::AF_SYS_CONTROL as _);
-    /// `AF_SYSTEM`
-    #[cfg(apple)]
-    pub const SYSTEM: Self = Self(c::AF_SYSTEM as _);
-    /// `AF_TRILL`
-    #[cfg(solarish)]
-    pub const TRILL: Self = Self(c::AF_TRILL as _);
-    /// `AF_UTUN`
-    #[cfg(apple)]
-    pub const UTUN: Self = Self(c::AF_UTUN as _);
-    /// `AF_VSOCK`
-    #[cfg(any(apple, target_os = "emscripten", target_os = "fuchsia"))]
-    pub const VSOCK: Self = Self(c::AF_VSOCK as _);
-
-    /// Constructs a `AddressFamily` from a raw integer.
-    #[inline]
-    pub const fn from_raw(raw: RawAddressFamily) -> Self {
-        Self(raw)
-    }
-
-    /// Returns the raw integer for this `AddressFamily`.
-    #[inline]
-    pub const fn as_raw(self) -> RawAddressFamily {
-        self.0
-    }
-}
-
-/// A type for holding raw integer protocols.
-pub type RawProtocol = core::num::NonZeroU32;
-
-const fn new_raw_protocol(u: u32) -> RawProtocol {
-    match RawProtocol::new(u) {
-        Some(p) => p,
-        None => panic!("new_raw_protocol: protocol must be non-zero"),
-    }
-}
-
-/// `IPPROTO_*` and other constants for use with [`socket`], [`socket_with`],
-/// and [`socketpair`] when a nondefault value is desired. See the [`ipproto`],
-/// [`sysproto`], and [`netlink`] modules for possible values.
-///
-/// For the default values, such as `IPPROTO_IP` or `NETLINK_ROUTE`, pass
-/// `None` as the `protocol` argument in these functions.
-///
-/// [`socket`]: crate::net::socket()
-/// [`socket_with`]: crate::net::socket_with
-/// [`socketpair`]: crate::net::socketpair()
-#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-#[repr(transparent)]
-#[doc(alias = "IPPROTO_IP")]
-#[doc(alias = "NETLINK_ROUTE")]
-pub struct Protocol(pub(crate) RawProtocol);
-
-/// `IPPROTO_*` constants.
-///
-/// For `IPPROTO_IP`, pass `None` as the `protocol` argument.
-pub mod ipproto {
-    use super::{new_raw_protocol, Protocol};
-    use crate::backend::c;
-
-    /// `IPPROTO_ICMP`
-    pub const ICMP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_ICMP as _));
-    /// `IPPROTO_IGMP`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const IGMP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_IGMP as _));
-    /// `IPPROTO_IPIP`
-    #[cfg(not(any(
-        solarish,
-        windows,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const IPIP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_IPIP as _));
-    /// `IPPROTO_TCP`
-    pub const TCP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_TCP as _));
-    /// `IPPROTO_EGP`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const EGP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_EGP as _));
-    /// `IPPROTO_PUP`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const PUP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_PUP as _));
-    /// `IPPROTO_UDP`
-    pub const UDP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_UDP as _));
-    /// `IPPROTO_IDP`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const IDP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_IDP as _));
-    /// `IPPROTO_TP`
-    #[cfg(not(any(
-        solarish,
-        windows,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const TP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_TP as _));
-    /// `IPPROTO_DCCP`
-    #[cfg(not(any(
-        apple,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "dragonfly",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "openbsd",
-        target_os = "vita",
-    )))]
-    pub const DCCP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_DCCP as _));
-    /// `IPPROTO_IPV6`
-    pub const IPV6: Protocol = Protocol(new_raw_protocol(c::IPPROTO_IPV6 as _));
-    /// `IPPROTO_RSVP`
-    #[cfg(not(any(
-        solarish,
-        windows,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const RSVP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_RSVP as _));
-    /// `IPPROTO_GRE`
-    #[cfg(not(any(
-        solarish,
-        windows,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const GRE: Protocol = Protocol(new_raw_protocol(c::IPPROTO_GRE as _));
-    /// `IPPROTO_ESP`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const ESP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_ESP as _));
-    /// `IPPROTO_AH`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const AH: Protocol = Protocol(new_raw_protocol(c::IPPROTO_AH as _));
-    /// `IPPROTO_MTP`
-    #[cfg(not(any(
-        solarish,
-        netbsdlike,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const MTP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_MTP as _));
-    /// `IPPROTO_BEETPH`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const BEETPH: Protocol = Protocol(new_raw_protocol(c::IPPROTO_BEETPH as _));
-    /// `IPPROTO_ENCAP`
-    #[cfg(not(any(
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita",
-    )))]
-    pub const ENCAP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_ENCAP as _));
-    /// `IPPROTO_PIM`
-    #[cfg(not(any(
-        solarish,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const PIM: Protocol = Protocol(new_raw_protocol(c::IPPROTO_PIM as _));
-    /// `IPPROTO_COMP`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const COMP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_COMP as _));
-    /// `IPPROTO_SCTP`
-    #[cfg(not(any(
-        solarish,
-        target_os = "dragonfly",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "openbsd",
-        target_os = "vita",
-    )))]
-    pub const SCTP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_SCTP as _));
-    /// `IPPROTO_UDPLITE`
-    #[cfg(not(any(
-        apple,
-        netbsdlike,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "dragonfly",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const UDPLITE: Protocol = Protocol(new_raw_protocol(c::IPPROTO_UDPLITE as _));
-    /// `IPPROTO_MPLS`
-    #[cfg(not(any(
-        apple,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "dragonfly",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "netbsd",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const MPLS: Protocol = Protocol(new_raw_protocol(c::IPPROTO_MPLS as _));
-    /// `IPPROTO_ETHERNET`
-    #[cfg(linux_kernel)]
-    pub const ETHERNET: Protocol = Protocol(new_raw_protocol(c::IPPROTO_ETHERNET as _));
-    /// `IPPROTO_RAW`
-    #[cfg(not(any(target_os = "espidf", target_os = "vita")))]
-    pub const RAW: Protocol = Protocol(new_raw_protocol(c::IPPROTO_RAW as _));
-    /// `IPPROTO_MPTCP`
-    #[cfg(not(any(
-        bsd,
-        solarish,
-        windows,
-        target_os = "aix",
-        target_os = "emscripten",
-        target_os = "espidf",
-        target_os = "fuchsia",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const MPTCP: Protocol = Protocol(new_raw_protocol(c::IPPROTO_MPTCP as _));
-    /// `IPPROTO_FRAGMENT`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const FRAGMENT: Protocol = Protocol(new_raw_protocol(c::IPPROTO_FRAGMENT as _));
-    /// `IPPROTO_ICMPV6`
-    pub const ICMPV6: Protocol = Protocol(new_raw_protocol(c::IPPROTO_ICMPV6 as _));
-    /// `IPPROTO_MH`
-    #[cfg(not(any(
-        apple,
-        netbsdlike,
-        solarish,
-        windows,
-        target_os = "dragonfly",
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "nto",
-        target_os = "vita",
-    )))]
-    pub const MH: Protocol = Protocol(new_raw_protocol(c::IPPROTO_MH as _));
-    /// `IPPROTO_ROUTING`
-    #[cfg(not(any(
-        solarish,
-        target_os = "espidf",
-        target_os = "haiku",
-        target_os = "vita"
-    )))]
-    pub const ROUTING: Protocol = Protocol(new_raw_protocol(c::IPPROTO_ROUTING as _));
-}
-
-/// `SYSPROTO_*` constants.
-pub mod sysproto {
-    #[cfg(apple)]
-    use {
-        super::{new_raw_protocol, Protocol},
-        crate::backend::c,
-    };
-
-    /// `SYSPROTO_EVENT`
-    #[cfg(apple)]
-    pub const EVENT: Protocol = Protocol(new_raw_protocol(c::SYSPROTO_EVENT as _));
-
-    /// `SYSPROTO_CONTROL`
-    #[cfg(apple)]
-    pub const CONTROL: Protocol = Protocol(new_raw_protocol(c::SYSPROTO_CONTROL as _));
-}
-
-/// `NETLINK_*` constants.
-///
-/// For `NETLINK_ROUTE`, pass `None` as the `protocol` argument.
-pub mod netlink {
-    #[cfg(linux_kernel)]
-    use {
-        super::{new_raw_protocol, Protocol},
-        crate::backend::c,
-    };
-
-    /// `NETLINK_UNUSED`
-    #[cfg(linux_kernel)]
-    pub const UNUSED: Protocol = Protocol(new_raw_protocol(c::NETLINK_UNUSED as _));
-    /// `NETLINK_USERSOCK`
-    #[cfg(linux_kernel)]
-    pub const USERSOCK: Protocol = Protocol(new_raw_protocol(c::NETLINK_USERSOCK as _));
-    /// `NETLINK_FIREWALL`
-    #[cfg(linux_kernel)]
-    pub const FIREWALL: Protocol = Protocol(new_raw_protocol(c::NETLINK_FIREWALL as _));
-    /// `NETLINK_SOCK_DIAG`
-    #[cfg(linux_kernel)]
-    pub const SOCK_DIAG: Protocol = Protocol(new_raw_protocol(c::NETLINK_SOCK_DIAG as _));
-    /// `NETLINK_NFLOG`
-    #[cfg(linux_kernel)]
-    pub const NFLOG: Protocol = Protocol(new_raw_protocol(c::NETLINK_NFLOG as _));
-    /// `NETLINK_XFRM`
-    #[cfg(linux_kernel)]
-    pub const XFRM: Protocol = Protocol(new_raw_protocol(c::NETLINK_XFRM as _));
-    /// `NETLINK_SELINUX`
-    #[cfg(linux_kernel)]
-    pub const SELINUX: Protocol = Protocol(new_raw_protocol(c::NETLINK_SELINUX as _));
-    /// `NETLINK_ISCSI`
-    #[cfg(linux_kernel)]
-    pub const ISCSI: Protocol = Protocol(new_raw_protocol(c::NETLINK_ISCSI as _));
-    /// `NETLINK_AUDIT`
-    #[cfg(linux_kernel)]
-    pub const AUDIT: Protocol = Protocol(new_raw_protocol(c::NETLINK_AUDIT as _));
-    /// `NETLINK_FIB_LOOKUP`
-    #[cfg(linux_kernel)]
-    pub const FIB_LOOKUP: Protocol = Protocol(new_raw_protocol(c::NETLINK_FIB_LOOKUP as _));
-    /// `NETLINK_CONNECTOR`
-    #[cfg(linux_kernel)]
-    pub const CONNECTOR: Protocol = Protocol(new_raw_protocol(c::NETLINK_CONNECTOR as _));
-    /// `NETLINK_NETFILTER`
-    #[cfg(linux_kernel)]
-    pub const NETFILTER: Protocol = Protocol(new_raw_protocol(c::NETLINK_NETFILTER as _));
-    /// `NETLINK_IP6_FW`
-    #[cfg(linux_kernel)]
-    pub const IP6_FW: Protocol = Protocol(new_raw_protocol(c::NETLINK_IP6_FW as _));
-    /// `NETLINK_DNRTMSG`
-    #[cfg(linux_kernel)]
-    pub const DNRTMSG: Protocol = Protocol(new_raw_protocol(c::NETLINK_DNRTMSG as _));
-    /// `NETLINK_KOBJECT_UEVENT`
-    #[cfg(linux_kernel)]
-    pub const KOBJECT_UEVENT: Protocol = Protocol(new_raw_protocol(c::NETLINK_KOBJECT_UEVENT as _));
-    /// `NETLINK_GENERIC`
-    // This is defined on FreeBSD too, but it has the value 0, so it doesn't
-    // fit in or `NonZeroU32`. It's unclear whether FreeBSD intends
-    // `NETLINK_GENERIC` to be the default when Linux has `NETLINK_ROUTE`
-    // as the default.
-    #[cfg(linux_kernel)]
-    pub const GENERIC: Protocol = Protocol(new_raw_protocol(c::NETLINK_GENERIC as _));
-    /// `NETLINK_SCSITRANSPORT`
-    #[cfg(linux_kernel)]
-    pub const SCSITRANSPORT: Protocol = Protocol(new_raw_protocol(c::NETLINK_SCSITRANSPORT as _));
-    /// `NETLINK_ECRYPTFS`
-    #[cfg(linux_kernel)]
-    pub const ECRYPTFS: Protocol = Protocol(new_raw_protocol(c::NETLINK_ECRYPTFS as _));
-    /// `NETLINK_RDMA`
-    #[cfg(linux_kernel)]
-    pub const RDMA: Protocol = Protocol(new_raw_protocol(c::NETLINK_RDMA as _));
-    /// `NETLINK_CRYPTO`
-    #[cfg(linux_kernel)]
-    pub const CRYPTO: Protocol = Protocol(new_raw_protocol(c::NETLINK_CRYPTO as _));
-    /// `NETLINK_INET_DIAG`
-    #[cfg(linux_kernel)]
-    pub const INET_DIAG: Protocol = Protocol(new_raw_protocol(c::NETLINK_INET_DIAG as _));
-    /// `NETLINK_ADD_MEMBERSHIP`
-    #[cfg(linux_kernel)]
-    pub const ADD_MEMBERSHIP: Protocol = Protocol(new_raw_protocol(c::NETLINK_ADD_MEMBERSHIP as _));
-    /// `NETLINK_DROP_MEMBERSHIP`
-    #[cfg(linux_kernel)]
-    pub const DROP_MEMBERSHIP: Protocol =
-        Protocol(new_raw_protocol(c::NETLINK_DROP_MEMBERSHIP as _));
-    /// `NETLINK_PKTINFO`
-    #[cfg(linux_kernel)]
-    pub const PKTINFO: Protocol = Protocol(new_raw_protocol(c::NETLINK_PKTINFO as _));
-    /// `NETLINK_BROADCAST_ERROR`
-    #[cfg(linux_kernel)]
-    pub const BROADCAST_ERROR: Protocol =
-        Protocol(new_raw_protocol(c::NETLINK_BROADCAST_ERROR as _));
-    /// `NETLINK_NO_ENOBUFS`
-    #[cfg(linux_kernel)]
-    pub const NO_ENOBUFS: Protocol = Protocol(new_raw_protocol(c::NETLINK_NO_ENOBUFS as _));
-    /// `NETLINK_RX_RING`
-    #[cfg(linux_kernel)]
-    pub const RX_RING: Protocol = Protocol(new_raw_protocol(c::NETLINK_RX_RING as _));
-    /// `NETLINK_TX_RING`
-    #[cfg(linux_kernel)]
-    pub const TX_RING: Protocol = Protocol(new_raw_protocol(c::NETLINK_TX_RING as _));
-    /// `NETLINK_LISTEN_ALL_NSID`
-    #[cfg(linux_kernel)]
-    pub const LISTEN_ALL_NSID: Protocol =
-        Protocol(new_raw_protocol(c::NETLINK_LISTEN_ALL_NSID as _));
-    /// `NETLINK_LIST_MEMBERSHIPS`
-    #[cfg(linux_kernel)]
-    pub const LIST_MEMBERSHIPS: Protocol =
-        Protocol(new_raw_protocol(c::NETLINK_LIST_MEMBERSHIPS as _));
-    /// `NETLINK_CAP_ACK`
-    #[cfg(linux_kernel)]
-    pub const CAP_ACK: Protocol = Protocol(new_raw_protocol(c::NETLINK_CAP_ACK as _));
-    /// `NETLINK_EXT_ACK`
-    #[cfg(linux_kernel)]
-    pub const EXT_ACK: Protocol = Protocol(new_raw_protocol(c::NETLINK_EXT_ACK as _));
-    /// `NETLINK_GET_STRICT_CHK`
-    #[cfg(linux_kernel)]
-    pub const GET_STRICT_CHK: Protocol = Protocol(new_raw_protocol(c::NETLINK_GET_STRICT_CHK as _));
-}
-
-/// `ETH_P_*` constants.
-// These are translated into 16-bit big-endian form because that's what the
-// [`AddressFamily::PACKET`] address family [expects].
-//
-// [expects]: https://man7.org/linux/man-pages/man7/packet.7.html
-pub mod eth {
-    #[cfg(linux_kernel)]
-    use {
-        super::{new_raw_protocol, Protocol},
-        crate::backend::c,
-    };
-
-    /// `ETH_P_LOOP`
-    #[cfg(linux_kernel)]
-    pub const LOOP: Protocol = Protocol(new_raw_protocol((c::ETH_P_LOOP as u16).to_be() as u32));
-    /// `ETH_P_PUP`
-    #[cfg(linux_kernel)]
-    pub const PUP: Protocol = Protocol(new_raw_protocol((c::ETH_P_PUP as u16).to_be() as u32));
-    /// `ETH_P_PUPAT`
-    #[cfg(linux_kernel)]
-    pub const PUPAT: Protocol = Protocol(new_raw_protocol((c::ETH_P_PUPAT as u16).to_be() as u32));
-    /// `ETH_P_TSN`
-    #[cfg(linux_kernel)]
-    pub const TSN: Protocol = Protocol(new_raw_protocol((c::ETH_P_TSN as u16).to_be() as u32));
-    /// `ETH_P_ERSPAN2`
-    #[cfg(linux_kernel)]
-    pub const ERSPAN2: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_ERSPAN2 as u16).to_be() as u32));
-    /// `ETH_P_IP`
-    #[cfg(linux_kernel)]
-    pub const IP: Protocol = Protocol(new_raw_protocol((c::ETH_P_IP as u16).to_be() as u32));
-    /// `ETH_P_X25`
-    #[cfg(linux_kernel)]
-    pub const X25: Protocol = Protocol(new_raw_protocol((c::ETH_P_X25 as u16).to_be() as u32));
-    /// `ETH_P_ARP`
-    #[cfg(linux_kernel)]
-    pub const ARP: Protocol = Protocol(new_raw_protocol((c::ETH_P_ARP as u16).to_be() as u32));
-    /// `ETH_P_BPQ`
-    #[cfg(linux_kernel)]
-    pub const BPQ: Protocol = Protocol(new_raw_protocol((c::ETH_P_BPQ as u16).to_be() as u32));
-    /// `ETH_P_IEEEPUP`
-    #[cfg(linux_kernel)]
-    pub const IEEEPUP: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_IEEEPUP as u16).to_be() as u32));
-    /// `ETH_P_IEEEPUPAT`
-    #[cfg(linux_kernel)]
-    pub const IEEEPUPAT: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_IEEEPUPAT as u16).to_be() as u32));
-    /// `ETH_P_BATMAN`
-    #[cfg(linux_kernel)]
-    pub const BATMAN: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_BATMAN as u16).to_be() as u32));
-    /// `ETH_P_DEC`
-    #[cfg(linux_kernel)]
-    pub const DEC: Protocol = Protocol(new_raw_protocol((c::ETH_P_DEC as u16).to_be() as u32));
-    /// `ETH_P_DNA_DL`
-    #[cfg(linux_kernel)]
-    pub const DNA_DL: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_DNA_DL as u16).to_be() as u32));
-    /// `ETH_P_DNA_RC`
-    #[cfg(linux_kernel)]
-    pub const DNA_RC: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_DNA_RC as u16).to_be() as u32));
-    /// `ETH_P_DNA_RT`
-    #[cfg(linux_kernel)]
-    pub const DNA_RT: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_DNA_RT as u16).to_be() as u32));
-    /// `ETH_P_LAT`
-    #[cfg(linux_kernel)]
-    pub const LAT: Protocol = Protocol(new_raw_protocol((c::ETH_P_LAT as u16).to_be() as u32));
-    /// `ETH_P_DIAG`
-    #[cfg(linux_kernel)]
-    pub const DIAG: Protocol = Protocol(new_raw_protocol((c::ETH_P_DIAG as u16).to_be() as u32));
-    /// `ETH_P_CUST`
-    #[cfg(linux_kernel)]
-    pub const CUST: Protocol = Protocol(new_raw_protocol((c::ETH_P_CUST as u16).to_be() as u32));
-    /// `ETH_P_SCA`
-    #[cfg(linux_kernel)]
-    pub const SCA: Protocol = Protocol(new_raw_protocol((c::ETH_P_SCA as u16).to_be() as u32));
-    /// `ETH_P_TEB`
-    #[cfg(linux_kernel)]
-    pub const TEB: Protocol = Protocol(new_raw_protocol((c::ETH_P_TEB as u16).to_be() as u32));
-    /// `ETH_P_RARP`
-    #[cfg(linux_kernel)]
-    pub const RARP: Protocol = Protocol(new_raw_protocol((c::ETH_P_RARP as u16).to_be() as u32));
-    /// `ETH_P_ATALK`
-    #[cfg(linux_kernel)]
-    pub const ATALK: Protocol = Protocol(new_raw_protocol((c::ETH_P_ATALK as u16).to_be() as u32));
-    /// `ETH_P_AARP`
-    #[cfg(linux_kernel)]
-    pub const AARP: Protocol = Protocol(new_raw_protocol((c::ETH_P_AARP as u16).to_be() as u32));
-    /// `ETH_P_8021Q`
-    #[cfg(linux_kernel)]
-    pub const P_8021Q: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_8021Q as u16).to_be() as u32));
-    /// `ETH_P_ERSPAN`
-    #[cfg(linux_kernel)]
-    pub const ERSPAN: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_ERSPAN as u16).to_be() as u32));
-    /// `ETH_P_IPX`
-    #[cfg(linux_kernel)]
-    pub const IPX: Protocol = Protocol(new_raw_protocol((c::ETH_P_IPX as u16).to_be() as u32));
-    /// `ETH_P_IPV6`
-    #[cfg(linux_kernel)]
-    pub const IPV6: Protocol = Protocol(new_raw_protocol((c::ETH_P_IPV6 as u16).to_be() as u32));
-    /// `ETH_P_PAUSE`
-    #[cfg(linux_kernel)]
-    pub const PAUSE: Protocol = Protocol(new_raw_protocol((c::ETH_P_PAUSE as u16).to_be() as u32));
-    /// `ETH_P_SLOW`
-    #[cfg(linux_kernel)]
-    pub const SLOW: Protocol = Protocol(new_raw_protocol((c::ETH_P_SLOW as u16).to_be() as u32));
-    /// `ETH_P_WCCP`
-    #[cfg(linux_kernel)]
-    pub const WCCP: Protocol = Protocol(new_raw_protocol((c::ETH_P_WCCP as u16).to_be() as u32));
-    /// `ETH_P_MPLS_UC`
-    #[cfg(linux_kernel)]
-    pub const MPLS_UC: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_MPLS_UC as u16).to_be() as u32));
-    /// `ETH_P_MPLS_MC`
-    #[cfg(linux_kernel)]
-    pub const MPLS_MC: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_MPLS_MC as u16).to_be() as u32));
-    /// `ETH_P_ATMMPOA`
-    #[cfg(linux_kernel)]
-    pub const ATMMPOA: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_ATMMPOA as u16).to_be() as u32));
-    /// `ETH_P_PPP_DISC`
-    #[cfg(linux_kernel)]
-    pub const PPP_DISC: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_PPP_DISC as u16).to_be() as u32));
-    /// `ETH_P_PPP_SES`
-    #[cfg(linux_kernel)]
-    pub const PPP_SES: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_PPP_SES as u16).to_be() as u32));
-    /// `ETH_P_LINK_CTL`
-    #[cfg(linux_kernel)]
-    pub const LINK_CTL: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_LINK_CTL as u16).to_be() as u32));
-    /// `ETH_P_ATMFATE`
-    #[cfg(linux_kernel)]
-    pub const ATMFATE: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_ATMFATE as u16).to_be() as u32));
-    /// `ETH_P_PAE`
-    #[cfg(linux_kernel)]
-    pub const PAE: Protocol = Protocol(new_raw_protocol((c::ETH_P_PAE as u16).to_be() as u32));
-    /// `ETH_P_PROFINET`
-    #[cfg(linux_kernel)]
-    pub const PROFINET: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_PROFINET as u16).to_be() as u32));
-    /// `ETH_P_REALTEK`
-    #[cfg(linux_kernel)]
-    pub const REALTEK: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_REALTEK as u16).to_be() as u32));
-    /// `ETH_P_AOE`
-    #[cfg(linux_kernel)]
-    pub const AOE: Protocol = Protocol(new_raw_protocol((c::ETH_P_AOE as u16).to_be() as u32));
-    /// `ETH_P_ETHERCAT`
-    #[cfg(linux_kernel)]
-    pub const ETHERCAT: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_ETHERCAT as u16).to_be() as u32));
-    /// `ETH_P_8021AD`
-    #[cfg(linux_kernel)]
-    pub const P_8021AD: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_8021AD as u16).to_be() as u32));
-    /// `ETH_P_802_EX1`
-    #[cfg(linux_kernel)]
-    pub const P_802_EX1: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_802_EX1 as u16).to_be() as u32));
-    /// `ETH_P_PREAUTH`
-    #[cfg(linux_kernel)]
-    pub const PREAUTH: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_PREAUTH as u16).to_be() as u32));
-    /// `ETH_P_TIPC`
-    #[cfg(linux_kernel)]
-    pub const TIPC: Protocol = Protocol(new_raw_protocol((c::ETH_P_TIPC as u16).to_be() as u32));
-    /// `ETH_P_LLDP`
-    #[cfg(linux_kernel)]
-    pub const LLDP: Protocol = Protocol(new_raw_protocol((c::ETH_P_LLDP as u16).to_be() as u32));
-    /// `ETH_P_MRP`
-    #[cfg(linux_kernel)]
-    pub const MRP: Protocol = Protocol(new_raw_protocol((c::ETH_P_MRP as u16).to_be() as u32));
-    /// `ETH_P_MACSEC`
-    #[cfg(linux_kernel)]
-    pub const MACSEC: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_MACSEC as u16).to_be() as u32));
-    /// `ETH_P_8021AH`
-    #[cfg(linux_kernel)]
-    pub const P_8021AH: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_8021AH as u16).to_be() as u32));
-    /// `ETH_P_MVRP`
-    #[cfg(linux_kernel)]
-    pub const MVRP: Protocol = Protocol(new_raw_protocol((c::ETH_P_MVRP as u16).to_be() as u32));
-    /// `ETH_P_1588`
-    #[cfg(linux_kernel)]
-    pub const P_1588: Protocol = Protocol(new_raw_protocol((c::ETH_P_1588 as u16).to_be() as u32));
-    /// `ETH_P_NCSI`
-    #[cfg(linux_kernel)]
-    pub const NCSI: Protocol = Protocol(new_raw_protocol((c::ETH_P_NCSI as u16).to_be() as u32));
-    /// `ETH_P_PRP`
-    #[cfg(linux_kernel)]
-    pub const PRP: Protocol = Protocol(new_raw_protocol((c::ETH_P_PRP as u16).to_be() as u32));
-    /// `ETH_P_CFM`
-    #[cfg(linux_kernel)]
-    pub const CFM: Protocol = Protocol(new_raw_protocol((c::ETH_P_CFM as u16).to_be() as u32));
-    /// `ETH_P_FCOE`
-    #[cfg(linux_kernel)]
-    pub const FCOE: Protocol = Protocol(new_raw_protocol((c::ETH_P_FCOE as u16).to_be() as u32));
-    /// `ETH_P_IBOE`
-    #[cfg(linux_kernel)]
-    pub const IBOE: Protocol = Protocol(new_raw_protocol((c::ETH_P_IBOE as u16).to_be() as u32));
-    /// `ETH_P_TDLS`
-    #[cfg(linux_kernel)]
-    pub const TDLS: Protocol = Protocol(new_raw_protocol((c::ETH_P_TDLS as u16).to_be() as u32));
-    /// `ETH_P_FIP`
-    #[cfg(linux_kernel)]
-    pub const FIP: Protocol = Protocol(new_raw_protocol((c::ETH_P_FIP as u16).to_be() as u32));
-    /// `ETH_P_80221`
-    #[cfg(linux_kernel)]
-    pub const P_80221: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_80221 as u16).to_be() as u32));
-    /// `ETH_P_HSR`
-    #[cfg(linux_kernel)]
-    pub const HSR: Protocol = Protocol(new_raw_protocol((c::ETH_P_HSR as u16).to_be() as u32));
-    /// `ETH_P_NSH`
-    #[cfg(linux_kernel)]
-    pub const NSH: Protocol = Protocol(new_raw_protocol((c::ETH_P_NSH as u16).to_be() as u32));
-    /// `ETH_P_LOOPBACK`
-    #[cfg(linux_kernel)]
-    pub const LOOPBACK: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_LOOPBACK as u16).to_be() as u32));
-    /// `ETH_P_QINQ1`
-    #[cfg(linux_kernel)]
-    pub const QINQ1: Protocol = Protocol(new_raw_protocol((c::ETH_P_QINQ1 as u16).to_be() as u32));
-    /// `ETH_P_QINQ2`
-    #[cfg(linux_kernel)]
-    pub const QINQ2: Protocol = Protocol(new_raw_protocol((c::ETH_P_QINQ2 as u16).to_be() as u32));
-    /// `ETH_P_QINQ3`
-    #[cfg(linux_kernel)]
-    pub const QINQ3: Protocol = Protocol(new_raw_protocol((c::ETH_P_QINQ3 as u16).to_be() as u32));
-    /// `ETH_P_EDSA`
-    #[cfg(linux_kernel)]
-    pub const EDSA: Protocol = Protocol(new_raw_protocol((c::ETH_P_EDSA as u16).to_be() as u32));
-    /// `ETH_P_DSA_8021Q`
-    #[cfg(linux_kernel)]
-    pub const DSA_8021Q: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_DSA_8021Q as u16).to_be() as u32));
-    /// `ETH_P_DSA_A5PSW`
-    #[cfg(linux_kernel)]
-    pub const DSA_A5PSW: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_DSA_A5PSW as u16).to_be() as u32));
-    /// `ETH_P_IFE`
-    #[cfg(linux_kernel)]
-    pub const IFE: Protocol = Protocol(new_raw_protocol((c::ETH_P_IFE as u16).to_be() as u32));
-    /// `ETH_P_AF_IUCV`
-    #[cfg(linux_kernel)]
-    pub const AF_IUCV: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_AF_IUCV as u16).to_be() as u32));
-    /// `ETH_P_802_3_MIN`
-    #[cfg(linux_kernel)]
-    pub const P_802_3_MIN: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_802_3_MIN as u16).to_be() as u32));
-    /// `ETH_P_802_3`
-    #[cfg(linux_kernel)]
-    pub const P_802_3: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_802_3 as u16).to_be() as u32));
-    /// `ETH_P_AX25`
-    #[cfg(linux_kernel)]
-    pub const AX25: Protocol = Protocol(new_raw_protocol((c::ETH_P_AX25 as u16).to_be() as u32));
-    /// `ETH_P_ALL`
-    #[cfg(linux_kernel)]
-    pub const ALL: Protocol = Protocol(new_raw_protocol((c::ETH_P_ALL as u16).to_be() as u32));
-    /// `ETH_P_802_2`
-    #[cfg(linux_kernel)]
-    pub const P_802_2: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_802_2 as u16).to_be() as u32));
-    /// `ETH_P_SNAP`
-    #[cfg(linux_kernel)]
-    pub const SNAP: Protocol = Protocol(new_raw_protocol((c::ETH_P_SNAP as u16).to_be() as u32));
-    /// `ETH_P_DDCMP`
-    #[cfg(linux_kernel)]
-    pub const DDCMP: Protocol = Protocol(new_raw_protocol((c::ETH_P_DDCMP as u16).to_be() as u32));
-    /// `ETH_P_WAN_PPP`
-    #[cfg(linux_kernel)]
-    pub const WAN_PPP: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_WAN_PPP as u16).to_be() as u32));
-    /// `ETH_P_PPP_MP`
-    #[cfg(linux_kernel)]
-    pub const PPP_MP: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_PPP_MP as u16).to_be() as u32));
-    /// `ETH_P_LOCALTALK`
-    #[cfg(linux_kernel)]
-    pub const LOCALTALK: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_LOCALTALK as u16).to_be() as u32));
-    /// `ETH_P_CAN`
-    #[cfg(linux_kernel)]
-    pub const CAN: Protocol = Protocol(new_raw_protocol((c::ETH_P_CAN as u16).to_be() as u32));
-    /// `ETH_P_CANFD`
-    #[cfg(linux_kernel)]
-    pub const CANFD: Protocol = Protocol(new_raw_protocol((c::ETH_P_CANFD as u16).to_be() as u32));
-    /// `ETH_P_CANXL`
-    #[cfg(linux_kernel)]
-    pub const CANXL: Protocol = Protocol(new_raw_protocol((c::ETH_P_CANXL as u16).to_be() as u32));
-    /// `ETH_P_PPPTALK`
-    #[cfg(linux_kernel)]
-    pub const PPPTALK: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_PPPTALK as u16).to_be() as u32));
-    /// `ETH_P_TR_802_2`
-    #[cfg(linux_kernel)]
-    pub const TR_802_2: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_TR_802_2 as u16).to_be() as u32));
-    /// `ETH_P_MOBITEX`
-    #[cfg(linux_kernel)]
-    pub const MOBITEX: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_MOBITEX as u16).to_be() as u32));
-    /// `ETH_P_CONTROL`
-    #[cfg(linux_kernel)]
-    pub const CONTROL: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_CONTROL as u16).to_be() as u32));
-    /// `ETH_P_IRDA`
-    #[cfg(linux_kernel)]
-    pub const IRDA: Protocol = Protocol(new_raw_protocol((c::ETH_P_IRDA as u16).to_be() as u32));
-    /// `ETH_P_ECONET`
-    #[cfg(linux_kernel)]
-    pub const ECONET: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_ECONET as u16).to_be() as u32));
-    /// `ETH_P_HDLC`
-    #[cfg(linux_kernel)]
-    pub const HDLC: Protocol = Protocol(new_raw_protocol((c::ETH_P_HDLC as u16).to_be() as u32));
-    /// `ETH_P_ARCNET`
-    #[cfg(linux_kernel)]
-    pub const ARCNET: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_ARCNET as u16).to_be() as u32));
-    /// `ETH_P_DSA`
-    #[cfg(linux_kernel)]
-    pub const DSA: Protocol = Protocol(new_raw_protocol((c::ETH_P_DSA as u16).to_be() as u32));
-    /// `ETH_P_TRAILER`
-    #[cfg(linux_kernel)]
-    pub const TRAILER: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_TRAILER as u16).to_be() as u32));
-    /// `ETH_P_PHONET`
-    #[cfg(linux_kernel)]
-    pub const PHONET: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_PHONET as u16).to_be() as u32));
-    /// `ETH_P_IEEE802154`
-    #[cfg(linux_kernel)]
-    pub const IEEE802154: Protocol =
-        Protocol(new_raw_protocol((c::ETH_P_IEEE802154 as u16).to_be() as u32));
-    /// `ETH_P_CAIF`
-    #[cfg(linux_kernel)]
-    pub const CAIF: Protocol = Protocol(new_raw_protocol((c::ETH_P_CAIF as u16).to_be() as u32));
-    /// `ETH_P_XDSA`
-    #[cfg(linux_kernel)]
-    pub const XDSA: Protocol = Protocol(new_raw_protocol((c::ETH_P_XDSA as u16).to_be() as u32));
-    /// `ETH_P_MAP`
-    #[cfg(linux_kernel)]
-    pub const MAP: Protocol = Protocol(new_raw_protocol((c::ETH_P_MAP as u16).to_be() as u32));
-    /// `ETH_P_MCTP`
-    #[cfg(linux_kernel)]
-    pub const MCTP: Protocol = Protocol(new_raw_protocol((c::ETH_P_MCTP as u16).to_be() as u32));
-}
-
-#[rustfmt::skip]
-impl Protocol {
-    /// Constructs a `Protocol` from a raw integer.
-    #[inline]
-    pub const fn from_raw(raw: RawProtocol) -> Self {
-        Self(raw)
-    }
-
-    /// Returns the raw integer for this `Protocol`.
-    #[inline]
-    pub const fn as_raw(self) -> RawProtocol {
-        self.0
-    }
-}
-
-/// `SHUT_*` constants for use with [`shutdown`].
-///
-/// [`shutdown`]: crate::net::shutdown
-#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-#[repr(u32)]
-pub enum Shutdown {
-    /// `SHUT_RD`—Disable further read operations.
-    Read = c::SHUT_RD as _,
-    /// `SHUT_WR`—Disable further write operations.
-    Write = c::SHUT_WR as _,
-    /// `SHUT_RDWR`—Disable further read and write operations.
-    ReadWrite = c::SHUT_RDWR as _,
-}
-
-bitflags! {
-    /// `SOCK_*` constants for use with [`socket_with`], [`accept_with`] and
-    /// [`acceptfrom_with`].
-    ///
-    /// [`socket_with`]: crate::net::socket_with
-    /// [`accept_with`]: crate::net::accept_with
-    /// [`acceptfrom_with`]: crate::net::acceptfrom_with
-    #[repr(transparent)]
-    #[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
-    pub struct SocketFlags: c::c_uint {
-        /// `SOCK_NONBLOCK`
-        #[cfg(not(any(
-            apple,
-            windows,
-            target_os = "aix",
-            target_os = "espidf",
-            target_os = "haiku",
-            target_os = "nto",
-            target_os = "vita",
-        )))]
-        const NONBLOCK = bitcast!(c::SOCK_NONBLOCK);
-
-        /// `SOCK_CLOEXEC`
-        #[cfg(not(any(apple, windows, target_os = "aix", target_os = "haiku")))]
-        const CLOEXEC = bitcast!(c::SOCK_CLOEXEC);
-
-        // This deliberately lacks a `const _ = !0`, so that users can use
-        // `from_bits_truncate` to extract the `SocketFlags` from a flags
-        // value that also includes a `SocketType`.
-    }
-}
-
-/// UNIX credentials of socket peer, for use with [`get_socket_peercred`]
-/// [`SendAncillaryMessage::ScmCredentials`] and
-/// [`RecvAncillaryMessage::ScmCredentials`].
-///
-/// [`get_socket_peercred`]: crate::net::sockopt::get_socket_peercred
-/// [`SendAncillaryMessage::ScmCredentials`]: crate::net::SendAncillaryMessage::ScmCredentials
-/// [`RecvAncillaryMessage::ScmCredentials`]: crate::net::RecvAncillaryMessage::ScmCredentials
-#[cfg(linux_kernel)]
-#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-#[repr(C)]
-pub struct UCred {
-    /// Process ID of peer
-    pub pid: crate::pid::Pid,
-    /// User ID of peer
-    pub uid: crate::ugid::Uid,
-    /// Group ID of peer
-    pub gid: crate::ugid::Gid,
-}
-
-#[test]
-fn test_sizes() {
-    use c::c_int;
-    use core::mem::transmute;
-
-    // Backend code needs to cast these to `c_int` so make sure that cast isn't
-    // lossy.
-    assert_eq_size!(RawProtocol, c_int);
-    assert_eq_size!(Protocol, c_int);
-    assert_eq_size!(Option<RawProtocol>, c_int);
-    assert_eq_size!(Option<Protocol>, c_int);
-    assert_eq_size!(RawSocketType, c_int);
-    assert_eq_size!(SocketType, c_int);
-    assert_eq_size!(SocketFlags, c_int);
-
-    // Rustix doesn't depend on `Option<Protocol>` matching the ABI of a raw
-    // integer for correctness, but it should work nonetheless.
-    #[allow(unsafe_code)]
-    unsafe {
-        let t: Option<Protocol> = None;
-        assert_eq!(0_u32, transmute::<Option<Protocol>, u32>(t));
-
-        let t: Option<Protocol> = Some(Protocol::from_raw(RawProtocol::new(4567).unwrap()));
-        assert_eq!(4567_u32, transmute::<Option<Protocol>, u32>(t));
-    }
-
-    #[cfg(linux_kernel)]
-    assert_eq_size!(UCred, libc::ucred);
-}
diff --git a/vendor/rustix/src/net/wsa.rs b/vendor/rustix/src/net/wsa.rs
deleted file mode 100644
index 0ad4db5..0000000
--- a/vendor/rustix/src/net/wsa.rs
+++ /dev/null
@@ -1,49 +0,0 @@
-use crate::io;
-use core::mem::MaybeUninit;
-use windows_sys::Win32::Networking::WinSock::{WSACleanup, WSAGetLastError, WSAStartup, WSADATA};
-
-/// `WSAStartup()`—Initialize process-wide Windows support for sockets.
-///
-/// On Windows, it's necessary to initialize the sockets subsystem before
-/// using sockets APIs. The function performs the necessary initialization.
-///
-/// # References
-///  - [Winsock]
-///
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsastartup
-pub fn wsa_startup() -> io::Result<WSADATA> {
-    // Request version 2.2, which has been the latest version since far older
-    // versions of Windows than we support here. For more information about
-    // the version, see [here].
-    //
-    // [here]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsastartup#remarks
-    let version = 0x202;
-    let mut data = MaybeUninit::uninit();
-    unsafe {
-        let ret = WSAStartup(version, data.as_mut_ptr());
-        if ret == 0 {
-            Ok(data.assume_init())
-        } else {
-            Err(io::Errno::from_raw_os_error(WSAGetLastError()))
-        }
-    }
-}
-
-/// `WSACleanup()`—Clean up process-wide Windows support for sockets.
-///
-/// In a program where `init` is called, if sockets are no longer necessary,
-/// this function releases associated resources.
-///
-/// # References
-///  - [Winsock]
-///
-/// [Winsock]: https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsacleanup
-pub fn wsa_cleanup() -> io::Result<()> {
-    unsafe {
-        if WSACleanup() == 0 {
-            Ok(())
-        } else {
-            Err(io::Errno::from_raw_os_error(WSAGetLastError()))
-        }
-    }
-}