Deleted vendor folder

1 files changed, 0 insertions, 1382 deletions

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);
-}