Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

9 files changed, 3544 insertions, 0 deletions

diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/aarch64.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/aarch64.rs
new file mode 100644
index 0000000..45bca47
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/aarch64.rs
@@ -0,0 +1,162 @@
+use PT_FIRSTMACH;
+
+pub type c_long = i64;
+pub type c_ulong = u64;
+pub type c_char = u8;
+pub type greg_t = u64;
+pub type __cpu_simple_lock_nv_t = ::c_uchar;
+
+s! {
+    pub struct __fregset {
+        #[cfg(libc_union)]
+        pub __qregs: [__c_anonymous__freg; 32],
+        pub __fpcr: u32,
+        pub __fpsr: u32,
+    }
+
+    pub struct mcontext_t {
+        pub __gregs: [::greg_t; 32],
+        pub __fregs: __fregset,
+        __spare: [::greg_t; 8],
+    }
+
+    pub struct ucontext_t {
+        pub uc_flags: ::c_uint,
+        pub uc_link: *mut ucontext_t,
+        pub uc_sigmask: ::sigset_t,
+        pub uc_stack: ::stack_t,
+        pub uc_mcontext: mcontext_t,
+    }
+}
+
+s_no_extra_traits! {
+    #[cfg(libc_union)]
+    #[repr(align(16))]
+    pub union __c_anonymous__freg {
+        pub __b8: [u8; 16],
+        pub __h16: [u16; 8],
+        pub __s32: [u32; 4],
+        pub __d64: [u64; 2],
+        pub __q128: [u128; 1],
+    }
+}
+
+cfg_if! {
+    if #[cfg(feature = "extra_traits")] {
+        #[cfg(libc_union)]
+        impl PartialEq for __c_anonymous__freg {
+            fn eq(&self, other: &__c_anonymous__freg) -> bool {
+                unsafe {
+                self.__b8 == other.__b8
+                    || self.__h16 == other.__h16
+                    || self.__s32 == other.__s32
+                    || self.__d64 == other.__d64
+                    || self.__q128 == other.__q128
+                }
+            }
+        }
+        #[cfg(libc_union)]
+        impl Eq for __c_anonymous__freg {}
+        #[cfg(libc_union)]
+        impl ::fmt::Debug for __c_anonymous__freg {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                unsafe {
+                f.debug_struct("__c_anonymous__freg")
+                    .field("__b8", &self.__b8)
+                    .field("__h16", &self.__h16)
+                    .field("__s32", &self.__s32)
+                    .field("__d64", &self.__d64)
+                    .field("__q128", &self.__q128)
+                    .finish()
+                }
+            }
+        }
+        #[cfg(libc_union)]
+        impl ::hash::Hash for __c_anonymous__freg {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                unsafe {
+                self.__b8.hash(state);
+                self.__h16.hash(state);
+                self.__s32.hash(state);
+                self.__d64.hash(state);
+                self.__q128.hash(state);
+                }
+            }
+        }
+    }
+}
+
+// should be pub(crate), but that requires Rust 1.18.0
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_int>() - 1;
+    } else {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = 4 - 1;
+    }
+}
+
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 0;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 3;
+
+pub const _REG_R0: ::c_int = 0;
+pub const _REG_R1: ::c_int = 1;
+pub const _REG_R2: ::c_int = 2;
+pub const _REG_R3: ::c_int = 3;
+pub const _REG_R4: ::c_int = 4;
+pub const _REG_R5: ::c_int = 5;
+pub const _REG_R6: ::c_int = 6;
+pub const _REG_R7: ::c_int = 7;
+pub const _REG_R8: ::c_int = 8;
+pub const _REG_R9: ::c_int = 9;
+pub const _REG_R10: ::c_int = 10;
+pub const _REG_R11: ::c_int = 11;
+pub const _REG_R12: ::c_int = 12;
+pub const _REG_R13: ::c_int = 13;
+pub const _REG_R14: ::c_int = 14;
+pub const _REG_R15: ::c_int = 15;
+pub const _REG_CPSR: ::c_int = 16;
+pub const _REG_X0: ::c_int = 0;
+pub const _REG_X1: ::c_int = 1;
+pub const _REG_X2: ::c_int = 2;
+pub const _REG_X3: ::c_int = 3;
+pub const _REG_X4: ::c_int = 4;
+pub const _REG_X5: ::c_int = 5;
+pub const _REG_X6: ::c_int = 6;
+pub const _REG_X7: ::c_int = 7;
+pub const _REG_X8: ::c_int = 8;
+pub const _REG_X9: ::c_int = 9;
+pub const _REG_X10: ::c_int = 10;
+pub const _REG_X11: ::c_int = 11;
+pub const _REG_X12: ::c_int = 12;
+pub const _REG_X13: ::c_int = 13;
+pub const _REG_X14: ::c_int = 14;
+pub const _REG_X15: ::c_int = 15;
+pub const _REG_X16: ::c_int = 16;
+pub const _REG_X17: ::c_int = 17;
+pub const _REG_X18: ::c_int = 18;
+pub const _REG_X19: ::c_int = 19;
+pub const _REG_X20: ::c_int = 20;
+pub const _REG_X21: ::c_int = 21;
+pub const _REG_X22: ::c_int = 22;
+pub const _REG_X23: ::c_int = 23;
+pub const _REG_X24: ::c_int = 24;
+pub const _REG_X25: ::c_int = 25;
+pub const _REG_X26: ::c_int = 26;
+pub const _REG_X27: ::c_int = 27;
+pub const _REG_X28: ::c_int = 28;
+pub const _REG_X29: ::c_int = 29;
+pub const _REG_X30: ::c_int = 30;
+pub const _REG_X31: ::c_int = 31;
+pub const _REG_ELR: ::c_int = 32;
+pub const _REG_SPSR: ::c_int = 33;
+pub const _REG_TIPDR: ::c_int = 34;
+
+pub const _REG_RV: ::c_int = _REG_X0;
+pub const _REG_FP: ::c_int = _REG_X29;
+pub const _REG_LR: ::c_int = _REG_X30;
+pub const _REG_SP: ::c_int = _REG_X31;
+pub const _REG_PC: ::c_int = _REG_ELR;
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/arm.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/arm.rs
new file mode 100644
index 0000000..b5000d3
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/arm.rs
@@ -0,0 +1,81 @@
+use PT_FIRSTMACH;
+
+pub type c_long = i32;
+pub type c_ulong = u32;
+pub type c_char = u8;
+pub type __cpu_simple_lock_nv_t = ::c_int;
+
+// should be pub(crate), but that requires Rust 1.18.0
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_longlong>() - 1;
+    } else {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = 8 - 1;
+    }
+}
+
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 3;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 4;
+
+pub const _REG_R0: ::c_int = 0;
+pub const _REG_R1: ::c_int = 1;
+pub const _REG_R2: ::c_int = 2;
+pub const _REG_R3: ::c_int = 3;
+pub const _REG_R4: ::c_int = 4;
+pub const _REG_R5: ::c_int = 5;
+pub const _REG_R6: ::c_int = 6;
+pub const _REG_R7: ::c_int = 7;
+pub const _REG_R8: ::c_int = 8;
+pub const _REG_R9: ::c_int = 9;
+pub const _REG_R10: ::c_int = 10;
+pub const _REG_R11: ::c_int = 11;
+pub const _REG_R12: ::c_int = 12;
+pub const _REG_R13: ::c_int = 13;
+pub const _REG_R14: ::c_int = 14;
+pub const _REG_R15: ::c_int = 15;
+pub const _REG_CPSR: ::c_int = 16;
+pub const _REG_X0: ::c_int = 0;
+pub const _REG_X1: ::c_int = 1;
+pub const _REG_X2: ::c_int = 2;
+pub const _REG_X3: ::c_int = 3;
+pub const _REG_X4: ::c_int = 4;
+pub const _REG_X5: ::c_int = 5;
+pub const _REG_X6: ::c_int = 6;
+pub const _REG_X7: ::c_int = 7;
+pub const _REG_X8: ::c_int = 8;
+pub const _REG_X9: ::c_int = 9;
+pub const _REG_X10: ::c_int = 10;
+pub const _REG_X11: ::c_int = 11;
+pub const _REG_X12: ::c_int = 12;
+pub const _REG_X13: ::c_int = 13;
+pub const _REG_X14: ::c_int = 14;
+pub const _REG_X15: ::c_int = 15;
+pub const _REG_X16: ::c_int = 16;
+pub const _REG_X17: ::c_int = 17;
+pub const _REG_X18: ::c_int = 18;
+pub const _REG_X19: ::c_int = 19;
+pub const _REG_X20: ::c_int = 20;
+pub const _REG_X21: ::c_int = 21;
+pub const _REG_X22: ::c_int = 22;
+pub const _REG_X23: ::c_int = 23;
+pub const _REG_X24: ::c_int = 24;
+pub const _REG_X25: ::c_int = 25;
+pub const _REG_X26: ::c_int = 26;
+pub const _REG_X27: ::c_int = 27;
+pub const _REG_X28: ::c_int = 28;
+pub const _REG_X29: ::c_int = 29;
+pub const _REG_X30: ::c_int = 30;
+pub const _REG_X31: ::c_int = 31;
+pub const _REG_ELR: ::c_int = 32;
+pub const _REG_SPSR: ::c_int = 33;
+pub const _REG_TIPDR: ::c_int = 34;
+
+pub const _REG_RV: ::c_int = _REG_R0;
+pub const _REG_FP: ::c_int = _REG_R11;
+pub const _REG_LR: ::c_int = _REG_R13;
+pub const _REG_SP: ::c_int = _REG_R14;
+pub const _REG_PC: ::c_int = _REG_R15;
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mips.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mips.rs
new file mode 100644
index 0000000..a536254
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mips.rs
@@ -0,0 +1,21 @@
+use PT_FIRSTMACH;
+
+pub type c_long = i32;
+pub type c_ulong = u32;
+pub type c_char = i8;
+pub type __cpu_simple_lock_nv_t = ::c_int;
+
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
+         #[doc(hidden)]
+         pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_longlong>() - 1;
+    } else {
+         #[doc(hidden)]
+         pub const _ALIGNBYTES: usize = 8 - 1;
+    }
+}
+
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 3;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 4;
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
new file mode 100644
index 0000000..7c63db8
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -0,0 +1,3148 @@
+pub type clock_t = ::c_uint;
+pub type suseconds_t = ::c_int;
+pub type dev_t = u64;
+pub type blksize_t = i32;
+pub type fsblkcnt_t = u64;
+pub type fsfilcnt_t = u64;
+pub type idtype_t = ::c_int;
+pub type mqd_t = ::c_int;
+type __pthread_spin_t = __cpu_simple_lock_nv_t;
+pub type vm_size_t = ::uintptr_t; // FIXME: deprecated since long time
+pub type lwpid_t = ::c_uint;
+pub type shmatt_t = ::c_uint;
+pub type cpuid_t = ::c_ulong;
+pub type cpuset_t = _cpuset;
+pub type pthread_spin_t = ::c_uchar;
+pub type timer_t = ::c_int;
+
+// elf.h
+
+pub type Elf32_Addr = u32;
+pub type Elf32_Half = u16;
+pub type Elf32_Lword = u64;
+pub type Elf32_Off = u32;
+pub type Elf32_Sword = i32;
+pub type Elf32_Word = u32;
+
+pub type Elf64_Addr = u64;
+pub type Elf64_Half = u16;
+pub type Elf64_Lword = u64;
+pub type Elf64_Off = u64;
+pub type Elf64_Sword = i32;
+pub type Elf64_Sxword = i64;
+pub type Elf64_Word = u32;
+pub type Elf64_Xword = u64;
+
+pub type iconv_t = *mut ::c_void;
+
+e! {
+    pub enum fae_action {
+        FAE_OPEN,
+        FAE_DUP2,
+        FAE_CLOSE,
+    }
+}
+
+cfg_if! {
+    if #[cfg(target_pointer_width = "64")] {
+        type Elf_Addr = Elf64_Addr;
+        type Elf_Half = Elf64_Half;
+        type Elf_Phdr = Elf64_Phdr;
+    } else if #[cfg(target_pointer_width = "32")] {
+        type Elf_Addr = Elf32_Addr;
+        type Elf_Half = Elf32_Half;
+        type Elf_Phdr = Elf32_Phdr;
+    }
+}
+
+impl siginfo_t {
+    pub unsafe fn si_addr(&self) -> *mut ::c_void {
+        self.si_addr
+    }
+
+    pub unsafe fn si_code(&self) -> ::c_int {
+        self.si_code
+    }
+
+    pub unsafe fn si_errno(&self) -> ::c_int {
+        self.si_errno
+    }
+
+    pub unsafe fn si_pid(&self) -> ::pid_t {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
+            _si_errno: ::c_int,
+            _si_code: ::c_int,
+            __pad1: ::c_int,
+            _pid: ::pid_t,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer))._pid
+    }
+
+    pub unsafe fn si_uid(&self) -> ::uid_t {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
+            _si_errno: ::c_int,
+            _si_code: ::c_int,
+            __pad1: ::c_int,
+            _pid: ::pid_t,
+            _uid: ::uid_t,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer))._uid
+    }
+
+    pub unsafe fn si_value(&self) -> ::sigval {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
+            _si_errno: ::c_int,
+            _si_code: ::c_int,
+            __pad1: ::c_int,
+            _pid: ::pid_t,
+            _uid: ::uid_t,
+            value: ::sigval,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer)).value
+    }
+
+    pub unsafe fn si_status(&self) -> ::c_int {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
+            _si_errno: ::c_int,
+            _si_code: ::c_int,
+            __pad1: ::c_int,
+            _pid: ::pid_t,
+            _uid: ::uid_t,
+            _value: ::sigval,
+            _cpid: ::pid_t,
+            _cuid: ::uid_t,
+            status: ::c_int,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer)).status
+    }
+}
+
+s! {
+    pub struct aiocb {
+        pub aio_offset: ::off_t,
+        pub aio_buf: *mut ::c_void,
+        pub aio_nbytes: ::size_t,
+        pub aio_fildes: ::c_int,
+        pub aio_lio_opcode: ::c_int,
+        pub aio_reqprio: ::c_int,
+        pub aio_sigevent: ::sigevent,
+        _state: ::c_int,
+        _errno: ::c_int,
+        _retval: ::ssize_t
+    }
+
+    pub struct glob_t {
+        pub gl_pathc:   ::size_t,
+        pub gl_matchc:  ::size_t,
+        pub gl_offs:    ::size_t,
+        pub gl_flags:   ::c_int,
+        pub gl_pathv:   *mut *mut ::c_char,
+
+        __unused3: *mut ::c_void,
+
+        __unused4: *mut ::c_void,
+        __unused5: *mut ::c_void,
+        __unused6: *mut ::c_void,
+        __unused7: *mut ::c_void,
+        __unused8: *mut ::c_void,
+    }
+
+    pub struct mq_attr {
+        pub mq_flags: ::c_long,
+        pub mq_maxmsg: ::c_long,
+        pub mq_msgsize: ::c_long,
+        pub mq_curmsgs: ::c_long,
+    }
+
+    pub struct itimerspec {
+        pub it_interval: ::timespec,
+        pub it_value: ::timespec,
+    }
+
+    pub struct sigset_t {
+        __bits: [u32; 4],
+    }
+
+    pub struct stat {
+        pub st_dev: ::dev_t,
+        pub st_mode: ::mode_t,
+        pub st_ino: ::ino_t,
+        pub st_nlink: ::nlink_t,
+        pub st_uid: ::uid_t,
+        pub st_gid: ::gid_t,
+        pub st_rdev: ::dev_t,
+        pub st_atime: ::time_t,
+        pub st_atimensec: ::c_long,
+        pub st_mtime: ::time_t,
+        pub st_mtimensec: ::c_long,
+        pub st_ctime: ::time_t,
+        pub st_ctimensec: ::c_long,
+        pub st_birthtime: ::time_t,
+        pub st_birthtimensec: ::c_long,
+        pub st_size: ::off_t,
+        pub st_blocks: ::blkcnt_t,
+        pub st_blksize: ::blksize_t,
+        pub st_flags: u32,
+        pub st_gen: u32,
+        pub st_spare: [u32; 2],
+    }
+
+    pub struct addrinfo {
+        pub ai_flags: ::c_int,
+        pub ai_family: ::c_int,
+        pub ai_socktype: ::c_int,
+        pub ai_protocol: ::c_int,
+        pub ai_addrlen: ::socklen_t,
+        pub ai_canonname: *mut ::c_char,
+        pub ai_addr: *mut ::sockaddr,
+        pub ai_next: *mut ::addrinfo,
+    }
+
+    pub struct siginfo_t {
+        pub si_signo: ::c_int,
+        pub si_code: ::c_int,
+        pub si_errno: ::c_int,
+        __pad1: ::c_int,
+        pub si_addr: *mut ::c_void,
+        __pad2: [u64; 13],
+    }
+
+    pub struct pthread_attr_t {
+        pta_magic: ::c_uint,
+        pta_flags: ::c_int,
+        pta_private: *mut ::c_void,
+    }
+
+    pub struct pthread_mutex_t {
+        ptm_magic: ::c_uint,
+        ptm_errorcheck: __pthread_spin_t,
+        #[cfg(any(target_arch = "sparc", target_arch = "sparc64",
+                  target_arch = "x86", target_arch = "x86_64"))]
+        ptm_pad1: [u8; 3],
+        // actually a union with a non-unused, 0-initialized field
+        ptm_unused: __pthread_spin_t,
+        #[cfg(any(target_arch = "sparc", target_arch = "sparc64",
+                  target_arch = "x86", target_arch = "x86_64"))]
+        ptm_pad2: [u8; 3],
+        ptm_owner: ::pthread_t,
+        ptm_waiters: *mut u8,
+        ptm_recursed: ::c_uint,
+        ptm_spare2: *mut ::c_void,
+    }
+
+    pub struct pthread_mutexattr_t {
+        ptma_magic: ::c_uint,
+        ptma_private: *mut ::c_void,
+    }
+
+    pub struct pthread_rwlockattr_t {
+        ptra_magic: ::c_uint,
+        ptra_private: *mut ::c_void,
+    }
+
+    pub struct pthread_cond_t {
+        ptc_magic: ::c_uint,
+        ptc_lock: __pthread_spin_t,
+        ptc_waiters_first: *mut u8,
+        ptc_waiters_last: *mut u8,
+        ptc_mutex: *mut ::pthread_mutex_t,
+        ptc_private: *mut ::c_void,
+    }
+
+    pub struct pthread_condattr_t {
+        ptca_magic: ::c_uint,
+        ptca_private: *mut ::c_void,
+    }
+
+    pub struct pthread_rwlock_t {
+        ptr_magic: ::c_uint,
+        ptr_interlock: __pthread_spin_t,
+        ptr_rblocked_first: *mut u8,
+        ptr_rblocked_last: *mut u8,
+        ptr_wblocked_first: *mut u8,
+        ptr_wblocked_last: *mut u8,
+        ptr_nreaders: ::c_uint,
+        ptr_owner: ::pthread_t,
+        ptr_private: *mut ::c_void,
+    }
+
+    pub struct pthread_spinlock_t {
+        pts_magic: ::c_uint,
+        pts_spin: ::pthread_spin_t,
+        pts_flags: ::c_int,
+    }
+
+    pub struct kevent {
+        pub ident: ::uintptr_t,
+        pub filter: u32,
+        pub flags: u32,
+        pub fflags: u32,
+        pub data: i64,
+        pub udata: ::intptr_t, /* FIXME: NetBSD 10.0 will finally have same layout as other BSD */
+    }
+
+    pub struct dqblk {
+        pub dqb_bhardlimit: u32,
+        pub dqb_bsoftlimit: u32,
+        pub dqb_curblocks: u32,
+        pub dqb_ihardlimit: u32,
+        pub dqb_isoftlimit: u32,
+        pub dqb_curinodes: u32,
+        pub dqb_btime: i32,
+        pub dqb_itime: i32,
+    }
+
+    pub struct Dl_info {
+        pub dli_fname: *const ::c_char,
+        pub dli_fbase: *mut ::c_void,
+        pub dli_sname: *const ::c_char,
+        pub dli_saddr: *const ::c_void,
+    }
+
+    pub struct lconv {
+        pub decimal_point: *mut ::c_char,
+        pub thousands_sep: *mut ::c_char,
+        pub grouping: *mut ::c_char,
+        pub int_curr_symbol: *mut ::c_char,
+        pub currency_symbol: *mut ::c_char,
+        pub mon_decimal_point: *mut ::c_char,
+        pub mon_thousands_sep: *mut ::c_char,
+        pub mon_grouping: *mut ::c_char,
+        pub positive_sign: *mut ::c_char,
+        pub negative_sign: *mut ::c_char,
+        pub int_frac_digits: ::c_char,
+        pub frac_digits: ::c_char,
+        pub p_cs_precedes: ::c_char,
+        pub p_sep_by_space: ::c_char,
+        pub n_cs_precedes: ::c_char,
+        pub n_sep_by_space: ::c_char,
+        pub p_sign_posn: ::c_char,
+        pub n_sign_posn: ::c_char,
+        pub int_p_cs_precedes: ::c_char,
+        pub int_n_cs_precedes: ::c_char,
+        pub int_p_sep_by_space: ::c_char,
+        pub int_n_sep_by_space: ::c_char,
+        pub int_p_sign_posn: ::c_char,
+        pub int_n_sign_posn: ::c_char,
+    }
+
+    pub struct if_data {
+        pub ifi_type: ::c_uchar,
+        pub ifi_addrlen: ::c_uchar,
+        pub ifi_hdrlen: ::c_uchar,
+        pub ifi_link_state: ::c_int,
+        pub ifi_mtu: u64,
+        pub ifi_metric: u64,
+        pub ifi_baudrate: u64,
+        pub ifi_ipackets: u64,
+        pub ifi_ierrors: u64,
+        pub ifi_opackets: u64,
+        pub ifi_oerrors: u64,
+        pub ifi_collisions: u64,
+        pub ifi_ibytes: u64,
+        pub ifi_obytes: u64,
+        pub ifi_imcasts: u64,
+        pub ifi_omcasts: u64,
+        pub ifi_iqdrops: u64,
+        pub ifi_noproto: u64,
+        pub ifi_lastchange: ::timespec,
+    }
+
+    pub struct if_msghdr {
+        pub ifm_msglen: ::c_ushort,
+        pub ifm_version: ::c_uchar,
+        pub ifm_type: ::c_uchar,
+        pub ifm_addrs: ::c_int,
+        pub ifm_flags: ::c_int,
+        pub ifm_index: ::c_ushort,
+        pub ifm_data: if_data,
+    }
+
+    pub struct sockcred {
+        pub sc_pid: ::pid_t,
+        pub sc_uid: ::uid_t,
+        pub sc_euid: ::uid_t,
+        pub sc_gid: ::gid_t,
+        pub sc_egid: ::gid_t,
+        pub sc_ngroups: ::c_int,
+        pub sc_groups: [::gid_t; 1],
+    }
+
+    pub struct uucred {
+        pub cr_unused: ::c_ushort,
+        pub cr_uid: ::uid_t,
+        pub cr_gid: ::gid_t,
+        pub cr_ngroups: ::c_int,
+        pub cr_groups: [::gid_t; NGROUPS_MAX as usize],
+    }
+
+    pub struct unpcbid {
+        pub unp_pid: ::pid_t,
+        pub unp_euid: ::uid_t,
+        pub unp_egid: ::gid_t,
+    }
+
+    pub struct sockaddr_dl {
+        pub sdl_len: ::c_uchar,
+        pub sdl_family: ::c_uchar,
+        pub sdl_index: ::c_ushort,
+        pub sdl_type: u8,
+        pub sdl_nlen: u8,
+        pub sdl_alen: u8,
+        pub sdl_slen: u8,
+        pub sdl_data: [::c_char; 12],
+    }
+
+    pub struct mmsghdr {
+        pub msg_hdr: ::msghdr,
+        pub msg_len: ::c_uint,
+    }
+
+    pub struct __exit_status {
+        pub e_termination: u16,
+        pub e_exit: u16,
+    }
+
+    pub struct shmid_ds {
+        pub shm_perm: ::ipc_perm,
+        pub shm_segsz: ::size_t,
+        pub shm_lpid: ::pid_t,
+        pub shm_cpid: ::pid_t,
+        pub shm_nattch: ::shmatt_t,
+        pub shm_atime: ::time_t,
+        pub shm_dtime: ::time_t,
+        pub shm_ctime: ::time_t,
+        _shm_internal: *mut ::c_void,
+    }
+
+    pub struct utmp {
+        pub ut_line: [::c_char; UT_LINESIZE],
+        pub ut_name: [::c_char; UT_NAMESIZE],
+        pub ut_host: [::c_char; UT_HOSTSIZE],
+        pub ut_time: ::time_t
+    }
+
+    pub struct lastlog {
+        pub ll_line: [::c_char; UT_LINESIZE],
+        pub ll_host: [::c_char; UT_HOSTSIZE],
+        pub ll_time: ::time_t
+    }
+
+    pub struct timex {
+        pub modes: ::c_uint,
+        pub offset: ::c_long,
+        pub freq: ::c_long,
+        pub maxerror: ::c_long,
+        pub esterror: ::c_long,
+        pub status: ::c_int,
+        pub constant: ::c_long,
+        pub precision: ::c_long,
+        pub tolerance: ::c_long,
+        pub ppsfreq: ::c_long,
+        pub jitter: ::c_long,
+        pub shift: ::c_int,
+        pub stabil: ::c_long,
+        pub jitcnt: ::c_long,
+        pub calcnt: ::c_long,
+        pub errcnt: ::c_long,
+        pub stbcnt: ::c_long,
+    }
+
+    pub struct ntptimeval {
+        pub time: ::timespec,
+        pub maxerror: ::c_long,
+        pub esterror: ::c_long,
+        pub tai: ::c_long,
+        pub time_state: ::c_int,
+    }
+
+    // elf.h
+
+    pub struct Elf32_Phdr {
+        pub p_type: Elf32_Word,
+        pub p_offset: Elf32_Off,
+        pub p_vaddr: Elf32_Addr,
+        pub p_paddr: Elf32_Addr,
+        pub p_filesz: Elf32_Word,
+        pub p_memsz: Elf32_Word,
+        pub p_flags: Elf32_Word,
+        pub p_align: Elf32_Word,
+    }
+
+    pub struct Elf64_Phdr {
+        pub p_type: Elf64_Word,
+        pub p_flags: Elf64_Word,
+        pub p_offset: Elf64_Off,
+        pub p_vaddr: Elf64_Addr,
+        pub p_paddr: Elf64_Addr,
+        pub p_filesz: Elf64_Xword,
+        pub p_memsz: Elf64_Xword,
+        pub p_align: Elf64_Xword,
+    }
+
+    pub struct Aux32Info {
+        pub a_type: Elf32_Word,
+        pub a_v: Elf32_Word,
+    }
+
+    pub struct Aux64Info {
+        pub a_type: Elf64_Word,
+        pub a_v: Elf64_Xword,
+    }
+
+    // link.h
+
+    pub struct dl_phdr_info {
+        pub dlpi_addr: Elf_Addr,
+        pub dlpi_name: *const ::c_char,
+        pub dlpi_phdr: *const Elf_Phdr,
+        pub dlpi_phnum: Elf_Half,
+        pub dlpi_adds: ::c_ulonglong,
+        pub dlpi_subs: ::c_ulonglong,
+        pub dlpi_tls_modid: usize,
+        pub dlpi_tls_data: *mut ::c_void,
+    }
+
+    pub struct _cpuset {
+        bits: [u32; 0]
+    }
+
+    pub struct accept_filter_arg {
+        pub af_name: [::c_char; 16],
+        af_arg: [[::c_char; 10]; 24],
+    }
+
+    pub struct ki_sigset_t {
+        pub __bits: [u32; 4],
+    }
+
+    pub struct kinfo_proc2 {
+        pub p_forw: u64,
+        pub p_back: u64,
+        pub p_paddr: u64,
+        pub p_addr: u64,
+        pub p_fd: u64,
+        pub p_cwdi: u64,
+        pub p_stats: u64,
+        pub p_limit: u64,
+        pub p_vmspace: u64,
+        pub p_sigacts: u64,
+        pub p_sess: u64,
+        pub p_tsess: u64,
+        pub p_ru: u64,
+        pub p_eflag: i32,
+        pub p_exitsig: i32,
+        pub p_flag: i32,
+        pub p_pid: i32,
+        pub p_ppid: i32,
+        pub p_sid: i32,
+        pub p__pgid: i32,
+        pub p_tpgid: i32,
+        pub p_uid: u32,
+        pub p_ruid: u32,
+        pub p_gid: u32,
+        pub p_rgid: u32,
+        pub p_groups: [u32; KI_NGROUPS as usize],
+        pub p_ngroups: i16,
+        pub p_jobc: i16,
+        pub p_tdev: u32,
+        pub p_estcpu: u32,
+        pub p_rtime_sec: u32,
+        pub p_rtime_usec: u32,
+        pub p_cpticks: i32,
+        pub p_pctcpu: u32,
+        pub p_swtime: u32,
+        pub p_slptime: u32,
+        pub p_schedflags: i32,
+        pub p_uticks: u64,
+        pub p_sticks: u64,
+        pub p_iticks: u64,
+        pub p_tracep: u64,
+        pub p_traceflag: i32,
+        pub p_holdcnt: i32,
+        pub p_siglist: ki_sigset_t,
+        pub p_sigmask: ki_sigset_t,
+        pub p_sigignore: ki_sigset_t,
+        pub p_sigcatch: ki_sigset_t,
+        pub p_stat: i8,
+        pub p_priority: u8,
+        pub p_usrpri: u8,
+        pub p_nice: u8,
+        pub p_xstat: u16,
+        pub p_acflag: u16,
+        pub p_comm: [::c_char; KI_MAXCOMLEN as usize],
+        pub p_wmesg: [::c_char; KI_WMESGLEN as usize],
+        pub p_wchan: u64,
+        pub p_login: [::c_char; KI_MAXLOGNAME as usize],
+        pub p_vm_rssize: i32,
+        pub p_vm_tsize: i32,
+        pub p_vm_dsize: i32,
+        pub p_vm_ssize: i32,
+        pub p_uvalid: i64,
+        pub p_ustart_sec: u32,
+        pub p_ustart_usec: u32,
+        pub p_uutime_sec: u32,
+        pub p_uutime_usec: u32,
+        pub p_ustime_sec: u32,
+        pub p_ustime_usec: u32,
+        pub p_uru_maxrss: u64,
+        pub p_uru_ixrss: u64,
+        pub p_uru_idrss: u64,
+        pub p_uru_isrss: u64,
+        pub p_uru_minflt: u64,
+        pub p_uru_majflt: u64,
+        pub p_uru_nswap: u64,
+        pub p_uru_inblock: u64,
+        pub p_uru_oublock: u64,
+        pub p_uru_msgsnd: u64,
+        pub p_uru_msgrcv: u64,
+        pub p_uru_nsignals: u64,
+        pub p_uru_nvcsw: u64,
+        pub p_uru_nivcsw: u64,
+        pub p_uctime_sec: u32,
+        pub p_uctime_usec: u32,
+        pub p_cpuid: u64,
+        pub p_realflag: u64,
+        pub p_nlwps: u64,
+        pub p_nrlwps: u64,
+        pub p_realstat: u64,
+        pub p_svuid: u32,
+        pub p_svgid: u32,
+        pub p_ename: [::c_char; KI_MAXEMULLEN as usize],
+        pub p_vm_vsize: i64,
+        pub p_vm_msize: i64,
+    }
+
+    pub struct kinfo_lwp {
+        pub l_forw: u64,
+        pub l_back: u64,
+        pub l_laddr: u64,
+        pub l_addr: u64,
+        pub l_lid: i32,
+        pub l_flag: i32,
+        pub l_swtime: u32,
+        pub l_slptime: u32,
+        pub l_schedflags: i32,
+        pub l_holdcnt: i32,
+        pub l_priority: u8,
+        pub l_usrpri: u8,
+        pub l_stat: i8,
+        l_pad1: i8,
+        l_pad2: i32,
+        pub l_wmesg: [::c_char; KI_WMESGLEN as usize],
+        pub l_wchan: u64,
+        pub l_cpuid: u64,
+        pub l_rtime_sec: u32,
+        pub l_rtime_usec: u32,
+        pub l_cpticks: u32,
+        pub l_pctcpu: u32,
+        pub l_pid: u32,
+        pub l_name: [::c_char; KI_LNAMELEN as usize],
+    }
+
+    pub struct kinfo_vmentry {
+        pub kve_start: u64,
+        pub kve_end: u64,
+        pub kve_offset: u64,
+        pub kve_type: u32,
+        pub kve_flags: u32,
+        pub kve_count: u32,
+        pub kve_wired_count: u32,
+        pub kve_advice: u32,
+        pub kve_attributes: u32,
+        pub kve_protection: u32,
+        pub kve_max_protection: u32,
+        pub kve_ref_count: u32,
+        pub kve_inheritance: u32,
+        pub kve_vn_fileid: u64,
+        pub kve_vn_size: u64,
+        pub kve_vn_fsid: u64,
+        pub kve_vn_rdev: u64,
+        pub kve_vn_type: u32,
+        pub kve_vn_mode: u32,
+        pub kve_path: [[::c_char; 32]; 32],
+    }
+
+    pub struct __c_anonymous_posix_spawn_fae_open {
+        pub path: *mut ::c_char,
+        pub oflag: ::c_int,
+        pub mode: ::mode_t,
+    }
+
+    pub struct __c_anonymous_posix_spawn_fae_dup2 {
+        pub newfildes: ::c_int,
+    }
+
+    pub struct posix_spawnattr_t {
+        pub sa_flags: ::c_short,
+        pub sa_pgroup: ::pid_t,
+        pub sa_schedparam: ::sched_param,
+        pub sa_schedpolicy: ::c_int,
+        pub sa_sigdefault: sigset_t,
+        pub sa_sigmask: sigset_t,
+    }
+
+    pub struct posix_spawn_file_actions_entry_t {
+        pub fae_action: fae_action,
+        pub fae_fildes: ::c_int,
+        #[cfg(libc_union)]
+        pub fae_data: __c_anonymous_posix_spawn_fae,
+    }
+
+    pub struct posix_spawn_file_actions_t {
+        pub size: ::c_uint,
+        pub len: ::c_uint,
+        #[cfg(libc_union)]
+        pub fae: *mut posix_spawn_file_actions_entry_t,
+    }
+
+    pub struct ptrace_lwpinfo {
+        pub pl_lwpid: lwpid_t,
+        pub pl_event: ::c_int,
+    }
+
+    pub struct ptrace_lwpstatus {
+        pub pl_lwpid: lwpid_t,
+        pub pl_sigpend: sigset_t,
+        pub pl_sigmask: sigset_t,
+        pub pl_name: [::c_char; 20],
+        pub pl_private: *mut ::c_void,
+    }
+
+    pub struct ptrace_siginfo {
+        pub psi_siginfo: siginfo_t,
+        pub psi_lwpid: lwpid_t,
+    }
+
+    pub struct ptrace_event {
+        pub pe_set_event: ::c_int,
+    }
+
+    pub struct sysctldesc {
+        pub descr_num: i32,
+        pub descr_ver: u32,
+        pub descr_len: u32,
+        pub descr_str: [::c_char; 1],
+    }
+
+    pub struct ifreq {
+        pub _priv: [[::c_char; 6]; 24],
+    }
+
+    pub struct ifconf {
+        pub ifc_len: ::c_int,
+        #[cfg(libc_union)]
+        pub ifc_ifcu: __c_anonymous_ifc_ifcu,
+    }
+
+    pub struct tcp_info {
+        pub tcpi_state: u8,
+        pub __tcpi_ca_state: u8,
+        pub __tcpi_retransmits: u8,
+        pub __tcpi_probes: u8,
+        pub __tcpi_backoff: u8,
+        pub tcpi_options: u8,
+        pub tcp_snd_wscale: u8,
+        pub tcp_rcv_wscale: u8,
+        pub tcpi_rto: u32,
+        pub __tcpi_ato: u32,
+        pub tcpi_snd_mss: u32,
+        pub tcpi_rcv_mss: u32,
+        pub __tcpi_unacked: u32,
+        pub __tcpi_sacked: u32,
+        pub __tcpi_lost: u32,
+        pub __tcpi_retrans: u32,
+        pub __tcpi_fackets: u32,
+        pub __tcpi_last_data_sent: u32,
+        pub __tcpi_last_ack_sent: u32,
+        pub tcpi_last_data_recv: u32,
+        pub __tcpi_last_ack_recv: u32,
+        pub __tcpi_pmtu: u32,
+        pub __tcpi_rcv_ssthresh: u32,
+        pub tcpi_rtt: u32,
+        pub tcpi_rttvar: u32,
+        pub tcpi_snd_ssthresh: u32,
+        pub tcpi_snd_cwnd: u32,
+        pub __tcpi_advmss: u32,
+        pub __tcpi_reordering: u32,
+        pub __tcpi_rcv_rtt: u32,
+        pub tcpi_rcv_space: u32,
+        pub tcpi_snd_wnd: u32,
+        pub tcpi_snd_bwnd: u32,
+        pub tcpi_snd_nxt: u32,
+        pub tcpi_rcv_nxt: u32,
+        pub tcpi_toe_tid: u32,
+        pub tcpi_snd_rexmitpack: u32,
+        pub tcpi_rcv_ooopack: u32,
+        pub tcpi_snd_zerowin: u32,
+        pub __tcpi_pad: [u32; 26],
+    }
+}
+
+s_no_extra_traits! {
+
+    pub struct utmpx {
+        pub ut_name: [::c_char; _UTX_USERSIZE],
+        pub ut_id: [::c_char; _UTX_IDSIZE],
+        pub ut_line: [::c_char; _UTX_LINESIZE],
+        pub ut_host: [::c_char; _UTX_HOSTSIZE],
+        pub ut_session: u16,
+        pub ut_type: u16,
+        pub ut_pid: ::pid_t,
+        pub ut_exit: __exit_status, // FIXME: when anonymous struct are supported
+        pub ut_ss: sockaddr_storage,
+        pub ut_tv: ::timeval,
+        pub ut_pad: [u8; _UTX_PADSIZE],
+    }
+
+    pub struct lastlogx {
+        pub ll_tv: ::timeval,
+        pub ll_line: [::c_char; _UTX_LINESIZE],
+        pub ll_host: [::c_char; _UTX_HOSTSIZE],
+        pub ll_ss: sockaddr_storage,
+    }
+
+    pub struct in_pktinfo {
+        pub ipi_addr: ::in_addr,
+        pub ipi_ifindex: ::c_uint,
+    }
+
+    pub struct arphdr {
+        pub ar_hrd: u16,
+        pub ar_pro: u16,
+        pub ar_hln: u8,
+        pub ar_pln: u8,
+        pub ar_op: u16,
+    }
+
+    pub struct in_addr {
+        pub s_addr: ::in_addr_t,
+    }
+
+    pub struct ip_mreq {
+        pub imr_multiaddr: in_addr,
+        pub imr_interface: in_addr,
+    }
+
+    pub struct sockaddr_in {
+        pub sin_len: u8,
+        pub sin_family: ::sa_family_t,
+        pub sin_port: ::in_port_t,
+        pub sin_addr: ::in_addr,
+        pub sin_zero: [i8; 8],
+    }
+
+    pub struct dirent {
+        pub d_fileno: ::ino_t,
+        pub d_reclen: u16,
+        pub d_namlen: u16,
+        pub d_type: u8,
+        pub d_name: [::c_char; 512],
+    }
+
+    pub struct statvfs {
+        pub f_flag: ::c_ulong,
+        pub f_bsize: ::c_ulong,
+        pub f_frsize: ::c_ulong,
+        pub f_iosize: ::c_ulong,
+
+        pub f_blocks: ::fsblkcnt_t,
+        pub f_bfree: ::fsblkcnt_t,
+        pub f_bavail: ::fsblkcnt_t,
+        pub f_bresvd: ::fsblkcnt_t,
+
+        pub f_files: ::fsfilcnt_t,
+        pub f_ffree: ::fsfilcnt_t,
+        pub f_favail: ::fsfilcnt_t,
+        pub f_fresvd: ::fsfilcnt_t,
+
+        pub f_syncreads: u64,
+        pub f_syncwrites: u64,
+
+        pub f_asyncreads: u64,
+        pub f_asyncwrites: u64,
+
+        pub f_fsidx: ::fsid_t,
+        pub f_fsid: ::c_ulong,
+        pub f_namemax: ::c_ulong,
+        pub f_owner: ::uid_t,
+
+        pub f_spare: [u32; 4],
+
+        pub f_fstypename: [::c_char; 32],
+        pub f_mntonname: [::c_char; 1024],
+        pub f_mntfromname: [::c_char; 1024],
+    }
+
+    pub struct sockaddr_storage {
+        pub ss_len: u8,
+        pub ss_family: ::sa_family_t,
+        __ss_pad1: [u8; 6],
+        __ss_pad2: i64,
+        __ss_pad3: [u8; 112],
+    }
+
+    pub struct sigevent {
+        pub sigev_notify: ::c_int,
+        pub sigev_signo: ::c_int,
+        pub sigev_value: ::sigval,
+        __unused1: *mut ::c_void,       //actually a function pointer
+        pub sigev_notify_attributes: *mut ::c_void
+    }
+
+    #[cfg(libc_union)]
+    pub union __c_anonymous_posix_spawn_fae {
+        pub open: __c_anonymous_posix_spawn_fae_open,
+        pub dup2: __c_anonymous_posix_spawn_fae_dup2,
+    }
+
+    #[cfg(libc_union)]
+    pub union __c_anonymous_ifc_ifcu {
+        pub ifcu_buf: *mut ::c_void,
+        pub ifcu_req: *mut ifreq,
+    }
+}
+
+cfg_if! {
+    if #[cfg(feature = "extra_traits")] {
+        impl PartialEq for utmpx {
+            fn eq(&self, other: &utmpx) -> bool {
+                self.ut_type == other.ut_type
+                    && self.ut_pid == other.ut_pid
+                    && self.ut_name == other.ut_name
+                    && self.ut_line == other.ut_line
+                    && self.ut_id == other.ut_id
+                    && self.ut_exit == other.ut_exit
+                    && self.ut_session == other.ut_session
+                    && self.ut_tv == other.ut_tv
+                    && self.ut_ss == other.ut_ss
+                    && self
+                    .ut_pad
+                    .iter()
+                    .zip(other.ut_pad.iter())
+                    .all(|(a,b)| a == b)
+                    && self
+                    .ut_host
+                    .iter()
+                    .zip(other.ut_host.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+
+        impl Eq for utmpx {}
+
+        impl ::fmt::Debug for utmpx {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("utmpx")
+                    .field("ut_name", &self.ut_name)
+                    .field("ut_id", &self.ut_id)
+                    .field("ut_line", &self.ut_line)
+                // FIXME .field("ut_host", &self.ut_host)
+                    .field("ut_session", &self.ut_session)
+                    .field("ut_type", &self.ut_type)
+                    .field("ut_pid", &self.ut_pid)
+                    .field("ut_exit", &self.ut_exit)
+                    .field("ut_ss", &self.ut_ss)
+                    .field("ut_tv", &self.ut_tv)
+                // FIXME .field("ut_pad", &self.ut_pad)
+                    .finish()
+            }
+        }
+
+        impl ::hash::Hash for utmpx {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.ut_name.hash(state);
+                self.ut_type.hash(state);
+                self.ut_pid.hash(state);
+                self.ut_line.hash(state);
+                self.ut_id.hash(state);
+                self.ut_host.hash(state);
+                self.ut_exit.hash(state);
+                self.ut_session.hash(state);
+                self.ut_tv.hash(state);
+                self.ut_ss.hash(state);
+                self.ut_pad.hash(state);
+            }
+        }
+
+        impl PartialEq for lastlogx {
+            fn eq(&self, other: &lastlogx) -> bool {
+                self.ll_tv == other.ll_tv
+                    && self.ll_line == other.ll_line
+                    && self.ll_ss == other.ll_ss
+                    && self
+                    .ll_host
+                    .iter()
+                    .zip(other.ll_host.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+
+        impl Eq for lastlogx {}
+
+        impl ::fmt::Debug for lastlogx {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("lastlogx")
+                    .field("ll_tv", &self.ll_tv)
+                    .field("ll_line", &self.ll_line)
+                // FIXME.field("ll_host", &self.ll_host)
+                    .field("ll_ss", &self.ll_ss)
+                    .finish()
+            }
+        }
+
+        impl ::hash::Hash for lastlogx {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.ll_tv.hash(state);
+                self.ll_line.hash(state);
+                self.ll_host.hash(state);
+                self.ll_ss.hash(state);
+            }
+        }
+
+        impl PartialEq for in_pktinfo {
+            fn eq(&self, other: &in_pktinfo) -> bool {
+                self.ipi_addr == other.ipi_addr
+                    && self.ipi_ifindex == other.ipi_ifindex
+            }
+        }
+        impl Eq for in_pktinfo {}
+        impl ::fmt::Debug for in_pktinfo {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("in_pktinfo")
+                    .field("ipi_addr", &self.ipi_addr)
+                    .field("ipi_ifindex", &self.ipi_ifindex)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for in_pktinfo {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.ipi_addr.hash(state);
+                self.ipi_ifindex.hash(state);
+            }
+        }
+
+        impl PartialEq for arphdr {
+            fn eq(&self, other: &arphdr) -> bool {
+                self.ar_hrd == other.ar_hrd
+                    && self.ar_pro == other.ar_pro
+                    && self.ar_hln == other.ar_hln
+                    && self.ar_pln == other.ar_pln
+                    && self.ar_op == other.ar_op
+            }
+        }
+        impl Eq for arphdr {}
+        impl ::fmt::Debug for arphdr {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                let ar_hrd = self.ar_hrd;
+                let ar_pro = self.ar_pro;
+                let ar_op = self.ar_op;
+                f.debug_struct("arphdr")
+                    .field("ar_hrd", &ar_hrd)
+                    .field("ar_pro", &ar_pro)
+                    .field("ar_hln", &self.ar_hln)
+                    .field("ar_pln", &self.ar_pln)
+                    .field("ar_op", &ar_op)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for arphdr {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                let ar_hrd = self.ar_hrd;
+                let ar_pro = self.ar_pro;
+                let ar_op = self.ar_op;
+                ar_hrd.hash(state);
+                ar_pro.hash(state);
+                self.ar_hln.hash(state);
+                self.ar_pln.hash(state);
+                ar_op.hash(state);
+            }
+        }
+
+        impl PartialEq for in_addr {
+            fn eq(&self, other: &in_addr) -> bool {
+                self.s_addr == other.s_addr
+            }
+        }
+        impl Eq for in_addr {}
+        impl ::fmt::Debug for in_addr {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                let s_addr = self.s_addr;
+                f.debug_struct("in_addr")
+                    .field("s_addr", &s_addr)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for in_addr {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                let s_addr = self.s_addr;
+                s_addr.hash(state);
+            }
+        }
+
+        impl PartialEq for ip_mreq {
+            fn eq(&self, other: &ip_mreq) -> bool {
+                self.imr_multiaddr == other.imr_multiaddr
+                    && self.imr_interface == other.imr_interface
+            }
+        }
+        impl Eq for ip_mreq {}
+        impl ::fmt::Debug for ip_mreq {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("ip_mreq")
+                    .field("imr_multiaddr", &self.imr_multiaddr)
+                    .field("imr_interface", &self.imr_interface)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for ip_mreq {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.imr_multiaddr.hash(state);
+                self.imr_interface.hash(state);
+            }
+        }
+
+        impl PartialEq for sockaddr_in {
+            fn eq(&self, other: &sockaddr_in) -> bool {
+                self.sin_len == other.sin_len
+                    && self.sin_family == other.sin_family
+                    && self.sin_port == other.sin_port
+                    && self.sin_addr == other.sin_addr
+                    && self.sin_zero == other.sin_zero
+            }
+        }
+        impl Eq for sockaddr_in {}
+        impl ::fmt::Debug for sockaddr_in {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("sockaddr_in")
+                    .field("sin_len", &self.sin_len)
+                    .field("sin_family", &self.sin_family)
+                    .field("sin_port", &self.sin_port)
+                    .field("sin_addr", &self.sin_addr)
+                    .field("sin_zero", &self.sin_zero)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for sockaddr_in {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.sin_len.hash(state);
+                self.sin_family.hash(state);
+                self.sin_port.hash(state);
+                self.sin_addr.hash(state);
+                self.sin_zero.hash(state);
+            }
+        }
+
+        impl PartialEq for dirent {
+            fn eq(&self, other: &dirent) -> bool {
+                self.d_fileno == other.d_fileno
+                    && self.d_reclen == other.d_reclen
+                    && self.d_namlen == other.d_namlen
+                    && self.d_type == other.d_type
+                    && self
+                    .d_name
+                    .iter()
+                    .zip(other.d_name.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+        impl Eq for dirent {}
+        impl ::fmt::Debug for dirent {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("dirent")
+                    .field("d_fileno", &self.d_fileno)
+                    .field("d_reclen", &self.d_reclen)
+                    .field("d_namlen", &self.d_namlen)
+                    .field("d_type", &self.d_type)
+                    // FIXME: .field("d_name", &self.d_name)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for dirent {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.d_fileno.hash(state);
+                self.d_reclen.hash(state);
+                self.d_namlen.hash(state);
+                self.d_type.hash(state);
+                self.d_name.hash(state);
+            }
+        }
+
+        impl PartialEq for statvfs {
+            fn eq(&self, other: &statvfs) -> bool {
+                self.f_flag == other.f_flag
+                    && self.f_bsize == other.f_bsize
+                    && self.f_frsize == other.f_frsize
+                    && self.f_iosize == other.f_iosize
+                    && self.f_blocks == other.f_blocks
+                    && self.f_bfree == other.f_bfree
+                    && self.f_bavail == other.f_bavail
+                    && self.f_bresvd == other.f_bresvd
+                    && self.f_files == other.f_files
+                    && self.f_ffree == other.f_ffree
+                    && self.f_favail == other.f_favail
+                    && self.f_fresvd == other.f_fresvd
+                    && self.f_syncreads == other.f_syncreads
+                    && self.f_syncwrites == other.f_syncwrites
+                    && self.f_asyncreads == other.f_asyncreads
+                    && self.f_asyncwrites == other.f_asyncwrites
+                    && self.f_fsidx == other.f_fsidx
+                    && self.f_fsid == other.f_fsid
+                    && self.f_namemax == other.f_namemax
+                    && self.f_owner == other.f_owner
+                    && self.f_spare == other.f_spare
+                    && self.f_fstypename == other.f_fstypename
+                    && self
+                    .f_mntonname
+                    .iter()
+                    .zip(other.f_mntonname.iter())
+                    .all(|(a,b)| a == b)
+                    && self
+                    .f_mntfromname
+                    .iter()
+                    .zip(other.f_mntfromname.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+        impl Eq for statvfs {}
+        impl ::fmt::Debug for statvfs {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("statvfs")
+                    .field("f_flag", &self.f_flag)
+                    .field("f_bsize", &self.f_bsize)
+                    .field("f_frsize", &self.f_frsize)
+                    .field("f_iosize", &self.f_iosize)
+                    .field("f_blocks", &self.f_blocks)
+                    .field("f_bfree", &self.f_bfree)
+                    .field("f_bavail", &self.f_bavail)
+                    .field("f_bresvd", &self.f_bresvd)
+                    .field("f_files", &self.f_files)
+                    .field("f_ffree", &self.f_ffree)
+                    .field("f_favail", &self.f_favail)
+                    .field("f_fresvd", &self.f_fresvd)
+                    .field("f_syncreads", &self.f_syncreads)
+                    .field("f_syncwrites", &self.f_syncwrites)
+                    .field("f_asyncreads", &self.f_asyncreads)
+                    .field("f_asyncwrites", &self.f_asyncwrites)
+                    .field("f_fsidx", &self.f_fsidx)
+                    .field("f_fsid", &self.f_fsid)
+                    .field("f_namemax", &self.f_namemax)
+                    .field("f_owner", &self.f_owner)
+                    .field("f_spare", &self.f_spare)
+                    .field("f_fstypename", &self.f_fstypename)
+                    // FIXME: .field("f_mntonname", &self.f_mntonname)
+                    // FIXME: .field("f_mntfromname", &self.f_mntfromname)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for statvfs {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.f_flag.hash(state);
+                self.f_bsize.hash(state);
+                self.f_frsize.hash(state);
+                self.f_iosize.hash(state);
+                self.f_blocks.hash(state);
+                self.f_bfree.hash(state);
+                self.f_bavail.hash(state);
+                self.f_bresvd.hash(state);
+                self.f_files.hash(state);
+                self.f_ffree.hash(state);
+                self.f_favail.hash(state);
+                self.f_fresvd.hash(state);
+                self.f_syncreads.hash(state);
+                self.f_syncwrites.hash(state);
+                self.f_asyncreads.hash(state);
+                self.f_asyncwrites.hash(state);
+                self.f_fsidx.hash(state);
+                self.f_fsid.hash(state);
+                self.f_namemax.hash(state);
+                self.f_owner.hash(state);
+                self.f_spare.hash(state);
+                self.f_fstypename.hash(state);
+                self.f_mntonname.hash(state);
+                self.f_mntfromname.hash(state);
+            }
+        }
+
+        impl PartialEq for sockaddr_storage {
+            fn eq(&self, other: &sockaddr_storage) -> bool {
+                self.ss_len == other.ss_len
+                    && self.ss_family == other.ss_family
+                    && self.__ss_pad1 == other.__ss_pad1
+                    && self.__ss_pad2 == other.__ss_pad2
+                    && self
+                    .__ss_pad3
+                    .iter()
+                    .zip(other.__ss_pad3.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+        impl Eq for sockaddr_storage {}
+        impl ::fmt::Debug for sockaddr_storage {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("sockaddr_storage")
+                    .field("ss_len", &self.ss_len)
+                    .field("ss_family", &self.ss_family)
+                    .field("__ss_pad1", &self.__ss_pad1)
+                    .field("__ss_pad2", &self.__ss_pad2)
+                    // FIXME: .field("__ss_pad3", &self.__ss_pad3)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for sockaddr_storage {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.ss_len.hash(state);
+                self.ss_family.hash(state);
+                self.__ss_pad1.hash(state);
+                self.__ss_pad2.hash(state);
+                self.__ss_pad3.hash(state);
+            }
+        }
+
+        impl PartialEq for sigevent {
+            fn eq(&self, other: &sigevent) -> bool {
+                self.sigev_notify == other.sigev_notify
+                    && self.sigev_signo == other.sigev_signo
+                    && self.sigev_value == other.sigev_value
+                    && self.sigev_notify_attributes
+                        == other.sigev_notify_attributes
+            }
+        }
+        impl Eq for sigevent {}
+        impl ::fmt::Debug for sigevent {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("sigevent")
+                    .field("sigev_notify", &self.sigev_notify)
+                    .field("sigev_signo", &self.sigev_signo)
+                    .field("sigev_value", &self.sigev_value)
+                    .field("sigev_notify_attributes",
+                           &self.sigev_notify_attributes)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for sigevent {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.sigev_notify.hash(state);
+                self.sigev_signo.hash(state);
+                self.sigev_value.hash(state);
+                self.sigev_notify_attributes.hash(state);
+            }
+        }
+
+        #[cfg(libc_union)]
+        impl Eq for __c_anonymous_posix_spawn_fae {}
+
+        #[cfg(libc_union)]
+        impl PartialEq for __c_anonymous_posix_spawn_fae {
+            fn eq(&self, other: &__c_anonymous_posix_spawn_fae) -> bool {
+                unsafe {
+                    self.open == other.open
+                        || self.dup2 == other.dup2
+                }
+            }
+        }
+
+        #[cfg(libc_union)]
+        impl ::fmt::Debug for __c_anonymous_posix_spawn_fae {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                unsafe {
+                    f.debug_struct("__c_anonymous_posix_fae")
+                        .field("open", &self.open)
+                        .field("dup2", &self.dup2)
+                        .finish()
+                }
+            }
+        }
+
+        #[cfg(libc_union)]
+        impl ::hash::Hash for __c_anonymous_posix_spawn_fae {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                unsafe {
+                    self.open.hash(state);
+                    self.dup2.hash(state);
+                }
+            }
+        }
+
+        #[cfg(libc_union)]
+        impl Eq for __c_anonymous_ifc_ifcu {}
+
+        #[cfg(libc_union)]
+        impl PartialEq for __c_anonymous_ifc_ifcu {
+            fn eq(&self, other: &__c_anonymous_ifc_ifcu) -> bool {
+                unsafe {
+                    self.ifcu_buf == other.ifcu_buf
+                        || self.ifcu_req == other.ifcu_req
+                }
+            }
+        }
+
+        #[cfg(libc_union)]
+        impl ::fmt::Debug for __c_anonymous_ifc_ifcu {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                unsafe {
+                    f.debug_struct("__c_anonymous_ifc_ifcu")
+                        .field("ifcu_buf", &self.ifcu_buf)
+                        .field("ifcu_req", &self.ifcu_req)
+                        .finish()
+                }
+            }
+        }
+
+        #[cfg(libc_union)]
+        impl ::hash::Hash for __c_anonymous_ifc_ifcu {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                unsafe {
+                    self.ifcu_buf.hash(state);
+                    self.ifcu_req.hash(state);
+                }
+            }
+        }
+    }
+}
+
+pub const AT_FDCWD: ::c_int = -100;
+pub const AT_EACCESS: ::c_int = 0x100;
+pub const AT_SYMLINK_NOFOLLOW: ::c_int = 0x200;
+pub const AT_SYMLINK_FOLLOW: ::c_int = 0x400;
+pub const AT_REMOVEDIR: ::c_int = 0x800;
+
+pub const AT_NULL: ::c_int = 0;
+pub const AT_IGNORE: ::c_int = 1;
+pub const AT_EXECFD: ::c_int = 2;
+pub const AT_PHDR: ::c_int = 3;
+pub const AT_PHENT: ::c_int = 4;
+pub const AT_PHNUM: ::c_int = 5;
+pub const AT_PAGESZ: ::c_int = 6;
+pub const AT_BASE: ::c_int = 7;
+pub const AT_FLAGS: ::c_int = 8;
+pub const AT_ENTRY: ::c_int = 9;
+pub const AT_DCACHEBSIZE: ::c_int = 10;
+pub const AT_ICACHEBSIZE: ::c_int = 11;
+pub const AT_UCACHEBSIZE: ::c_int = 12;
+pub const AT_STACKBASE: ::c_int = 13;
+pub const AT_EUID: ::c_int = 2000;
+pub const AT_RUID: ::c_int = 2001;
+pub const AT_EGID: ::c_int = 2002;
+pub const AT_RGID: ::c_int = 2003;
+pub const AT_SUN_LDELF: ::c_int = 2004;
+pub const AT_SUN_LDSHDR: ::c_int = 2005;
+pub const AT_SUN_LDNAME: ::c_int = 2006;
+pub const AT_SUN_LDPGSIZE: ::c_int = 2007;
+pub const AT_SUN_PLATFORM: ::c_int = 2008;
+pub const AT_SUN_HWCAP: ::c_int = 2009;
+pub const AT_SUN_IFLUSH: ::c_int = 2010;
+pub const AT_SUN_CPU: ::c_int = 2011;
+pub const AT_SUN_EMUL_ENTRY: ::c_int = 2012;
+pub const AT_SUN_EMUL_EXECFD: ::c_int = 2013;
+pub const AT_SUN_EXECNAME: ::c_int = 2014;
+
+pub const EXTATTR_NAMESPACE_USER: ::c_int = 1;
+pub const EXTATTR_NAMESPACE_SYSTEM: ::c_int = 2;
+
+pub const LC_COLLATE_MASK: ::c_int = 1 << ::LC_COLLATE;
+pub const LC_CTYPE_MASK: ::c_int = 1 << ::LC_CTYPE;
+pub const LC_MONETARY_MASK: ::c_int = 1 << ::LC_MONETARY;
+pub const LC_NUMERIC_MASK: ::c_int = 1 << ::LC_NUMERIC;
+pub const LC_TIME_MASK: ::c_int = 1 << ::LC_TIME;
+pub const LC_MESSAGES_MASK: ::c_int = 1 << ::LC_MESSAGES;
+pub const LC_ALL_MASK: ::c_int = !0;
+
+pub const ERA: ::nl_item = 52;
+pub const ERA_D_FMT: ::nl_item = 53;
+pub const ERA_D_T_FMT: ::nl_item = 54;
+pub const ERA_T_FMT: ::nl_item = 55;
+pub const ALT_DIGITS: ::nl_item = 56;
+
+pub const O_CLOEXEC: ::c_int = 0x400000;
+pub const O_ALT_IO: ::c_int = 0x40000;
+pub const O_NOSIGPIPE: ::c_int = 0x1000000;
+pub const O_SEARCH: ::c_int = 0x800000;
+pub const O_DIRECTORY: ::c_int = 0x200000;
+pub const O_DIRECT: ::c_int = 0x00080000;
+pub const O_RSYNC: ::c_int = 0x00020000;
+
+pub const MS_SYNC: ::c_int = 0x4;
+pub const MS_INVALIDATE: ::c_int = 0x2;
+
+// Here because they are not present on OpenBSD
+// (https://github.com/openbsd/src/blob/HEAD/sys/sys/resource.h)
+pub const RLIMIT_SBSIZE: ::c_int = 9;
+pub const RLIMIT_AS: ::c_int = 10;
+pub const RLIMIT_NTHR: ::c_int = 11;
+
+#[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
+pub const RLIM_NLIMITS: ::c_int = 12;
+
+pub const EIDRM: ::c_int = 82;
+pub const ENOMSG: ::c_int = 83;
+pub const EOVERFLOW: ::c_int = 84;
+pub const EILSEQ: ::c_int = 85;
+pub const ENOTSUP: ::c_int = 86;
+pub const ECANCELED: ::c_int = 87;
+pub const EBADMSG: ::c_int = 88;
+pub const ENODATA: ::c_int = 89;
+pub const ENOSR: ::c_int = 90;
+pub const ENOSTR: ::c_int = 91;
+pub const ETIME: ::c_int = 92;
+pub const ENOATTR: ::c_int = 93;
+pub const EMULTIHOP: ::c_int = 94;
+pub const ENOLINK: ::c_int = 95;
+pub const EPROTO: ::c_int = 96;
+pub const EOWNERDEAD: ::c_int = 97;
+pub const ENOTRECOVERABLE: ::c_int = 98;
+#[deprecated(
+    since = "0.2.143",
+    note = "This value will always match the highest defined error number \
+            and thus is not stable. \
+            See #3040 for more info."
+)]
+pub const ELAST: ::c_int = 98;
+
+pub const F_DUPFD_CLOEXEC: ::c_int = 12;
+pub const F_CLOSEM: ::c_int = 10;
+pub const F_GETNOSIGPIPE: ::c_int = 13;
+pub const F_SETNOSIGPIPE: ::c_int = 14;
+pub const F_MAXFD: ::c_int = 11;
+pub const F_GETPATH: ::c_int = 15;
+
+pub const FUTEX_WAIT: ::c_int = 0;
+pub const FUTEX_WAKE: ::c_int = 1;
+pub const FUTEX_FD: ::c_int = 2;
+pub const FUTEX_REQUEUE: ::c_int = 3;
+pub const FUTEX_CMP_REQUEUE: ::c_int = 4;
+pub const FUTEX_WAKE_OP: ::c_int = 5;
+pub const FUTEX_LOCK_PI: ::c_int = 6;
+pub const FUTEX_UNLOCK_PI: ::c_int = 7;
+pub const FUTEX_TRYLOCK_PI: ::c_int = 8;
+pub const FUTEX_WAIT_BITSET: ::c_int = 9;
+pub const FUTEX_WAKE_BITSET: ::c_int = 10;
+pub const FUTEX_WAIT_REQUEUE_PI: ::c_int = 11;
+pub const FUTEX_CMP_REQUEUE_PI: ::c_int = 12;
+pub const FUTEX_PRIVATE_FLAG: ::c_int = 1 << 7;
+pub const FUTEX_CLOCK_REALTIME: ::c_int = 1 << 8;
+pub const FUTEX_CMD_MASK: ::c_int = !(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME);
+pub const FUTEX_WAITERS: u32 = 1 << 31;
+pub const FUTEX_OWNER_DIED: u32 = 1 << 30;
+pub const FUTEX_SYNCOBJ_1: u32 = 1 << 29;
+pub const FUTEX_SYNCOBJ_0: u32 = 1 << 28;
+pub const FUTEX_TID_MASK: u32 = (1 << 28) - 1;
+pub const FUTEX_BITSET_MATCH_ANY: u32 = !0;
+
+pub const IP_RECVDSTADDR: ::c_int = 7;
+pub const IP_SENDSRCADDR: ::c_int = IP_RECVDSTADDR;
+pub const IP_RECVIF: ::c_int = 20;
+pub const IP_PKTINFO: ::c_int = 25;
+pub const IP_RECVPKTINFO: ::c_int = 26;
+pub const IPV6_JOIN_GROUP: ::c_int = 12;
+pub const IPV6_LEAVE_GROUP: ::c_int = 13;
+
+pub const TCP_KEEPIDLE: ::c_int = 3;
+pub const TCP_KEEPINTVL: ::c_int = 5;
+pub const TCP_KEEPCNT: ::c_int = 6;
+pub const TCP_KEEPINIT: ::c_int = 7;
+pub const TCP_MD5SIG: ::c_int = 0x10;
+pub const TCP_CONGCTL: ::c_int = 0x20;
+
+pub const SOCK_CONN_DGRAM: ::c_int = 6;
+pub const SOCK_DCCP: ::c_int = SOCK_CONN_DGRAM;
+pub const SOCK_NOSIGPIPE: ::c_int = 0x40000000;
+pub const SOCK_FLAGS_MASK: ::c_int = 0xf0000000;
+
+pub const SO_SNDTIMEO: ::c_int = 0x100b;
+pub const SO_RCVTIMEO: ::c_int = 0x100c;
+pub const SO_NOSIGPIPE: ::c_int = 0x0800;
+pub const SO_ACCEPTFILTER: ::c_int = 0x1000;
+pub const SO_TIMESTAMP: ::c_int = 0x2000;
+pub const SO_OVERFLOWED: ::c_int = 0x1009;
+pub const SO_NOHEADER: ::c_int = 0x100a;
+
+// http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/sys/un.h?annotate
+pub const LOCAL_OCREDS: ::c_int = 0x0001; // pass credentials to receiver
+pub const LOCAL_CONNWAIT: ::c_int = 0x0002; // connects block until accepted
+pub const LOCAL_PEEREID: ::c_int = 0x0003; // get peer identification
+pub const LOCAL_CREDS: ::c_int = 0x0004; // pass credentials to receiver
+
+// https://github.com/NetBSD/src/blob/trunk/sys/net/if.h#L373
+pub const IFF_UP: ::c_int = 0x0001; // interface is up
+pub const IFF_BROADCAST: ::c_int = 0x0002; // broadcast address valid
+pub const IFF_DEBUG: ::c_int = 0x0004; // turn on debugging
+pub const IFF_LOOPBACK: ::c_int = 0x0008; // is a loopback net
+pub const IFF_POINTOPOINT: ::c_int = 0x0010; // interface is point-to-point link
+pub const IFF_NOTRAILERS: ::c_int = 0x0020; // avoid use of trailers
+pub const IFF_RUNNING: ::c_int = 0x0040; // resources allocated
+pub const IFF_NOARP: ::c_int = 0x0080; // no address resolution protocol
+pub const IFF_PROMISC: ::c_int = 0x0100; // receive all packets
+pub const IFF_ALLMULTI: ::c_int = 0x0200; // receive all multicast packets
+pub const IFF_OACTIVE: ::c_int = 0x0400; // transmission in progress
+pub const IFF_SIMPLEX: ::c_int = 0x0800; // can't hear own transmissions
+pub const IFF_LINK0: ::c_int = 0x1000; // per link layer defined bit
+pub const IFF_LINK1: ::c_int = 0x2000; // per link layer defined bit
+pub const IFF_LINK2: ::c_int = 0x4000; // per link layer defined bit
+pub const IFF_MULTICAST: ::c_int = 0x8000; // supports multicast
+
+// sys/netinet/in.h
+// Protocols (RFC 1700)
+// NOTE: These are in addition to the constants defined in src/unix/mod.rs
+
+// IPPROTO_IP defined in src/unix/mod.rs
+/// Hop-by-hop option header
+pub const IPPROTO_HOPOPTS: ::c_int = 0;
+// IPPROTO_ICMP defined in src/unix/mod.rs
+/// group mgmt protocol
+pub const IPPROTO_IGMP: ::c_int = 2;
+/// gateway^2 (deprecated)
+pub const IPPROTO_GGP: ::c_int = 3;
+/// for compatibility
+pub const IPPROTO_IPIP: ::c_int = 4;
+// IPPROTO_TCP defined in src/unix/mod.rs
+/// exterior gateway protocol
+pub const IPPROTO_EGP: ::c_int = 8;
+/// pup
+pub const IPPROTO_PUP: ::c_int = 12;
+// IPPROTO_UDP defined in src/unix/mod.rs
+/// xns idp
+pub const IPPROTO_IDP: ::c_int = 22;
+/// tp-4 w/ class negotiation
+pub const IPPROTO_TP: ::c_int = 29;
+/// DCCP
+pub const IPPROTO_DCCP: ::c_int = 33;
+// IPPROTO_IPV6 defined in src/unix/mod.rs
+/// IP6 routing header
+pub const IPPROTO_ROUTING: ::c_int = 43;
+/// IP6 fragmentation header
+pub const IPPROTO_FRAGMENT: ::c_int = 44;
+/// resource reservation
+pub const IPPROTO_RSVP: ::c_int = 46;
+/// General Routing Encap.
+pub const IPPROTO_GRE: ::c_int = 47;
+/// IP6 Encap Sec. Payload
+pub const IPPROTO_ESP: ::c_int = 50;
+/// IP6 Auth Header
+pub const IPPROTO_AH: ::c_int = 51;
+/// IP Mobility RFC 2004
+pub const IPPROTO_MOBILE: ::c_int = 55;
+/// IPv6 ICMP
+pub const IPPROTO_IPV6_ICMP: ::c_int = 58;
+// IPPROTO_ICMPV6 defined in src/unix/mod.rs
+/// IP6 no next header
+pub const IPPROTO_NONE: ::c_int = 59;
+/// IP6 destination option
+pub const IPPROTO_DSTOPTS: ::c_int = 60;
+/// ISO cnlp
+pub const IPPROTO_EON: ::c_int = 80;
+/// Ethernet-in-IP
+pub const IPPROTO_ETHERIP: ::c_int = 97;
+/// encapsulation header
+pub const IPPROTO_ENCAP: ::c_int = 98;
+/// Protocol indep. multicast
+pub const IPPROTO_PIM: ::c_int = 103;
+/// IP Payload Comp. Protocol
+pub const IPPROTO_IPCOMP: ::c_int = 108;
+/// VRRP RFC 2338
+pub const IPPROTO_VRRP: ::c_int = 112;
+/// Common Address Resolution Protocol
+pub const IPPROTO_CARP: ::c_int = 112;
+/// L2TPv3
+pub const IPPROTO_L2TP: ::c_int = 115;
+/// SCTP
+pub const IPPROTO_SCTP: ::c_int = 132;
+/// PFSYNC
+pub const IPPROTO_PFSYNC: ::c_int = 240;
+pub const IPPROTO_MAX: ::c_int = 256;
+
+/// last return value of *_input(), meaning "all job for this pkt is done".
+pub const IPPROTO_DONE: ::c_int = 257;
+
+/// sysctl placeholder for (FAST_)IPSEC
+pub const CTL_IPPROTO_IPSEC: ::c_int = 258;
+
+pub const AF_OROUTE: ::c_int = 17;
+pub const AF_ARP: ::c_int = 28;
+pub const pseudo_AF_KEY: ::c_int = 29;
+pub const pseudo_AF_HDRCMPLT: ::c_int = 30;
+pub const AF_BLUETOOTH: ::c_int = 31;
+pub const AF_IEEE80211: ::c_int = 32;
+pub const AF_MPLS: ::c_int = 33;
+pub const AF_ROUTE: ::c_int = 34;
+pub const NET_RT_DUMP: ::c_int = 1;
+pub const NET_RT_FLAGS: ::c_int = 2;
+pub const NET_RT_OOOIFLIST: ::c_int = 3;
+pub const NET_RT_OOIFLIST: ::c_int = 4;
+pub const NET_RT_OIFLIST: ::c_int = 5;
+pub const NET_RT_IFLIST: ::c_int = 6;
+pub const NET_RT_MAXID: ::c_int = 7;
+
+pub const PF_OROUTE: ::c_int = AF_OROUTE;
+pub const PF_ARP: ::c_int = AF_ARP;
+pub const PF_KEY: ::c_int = pseudo_AF_KEY;
+pub const PF_BLUETOOTH: ::c_int = AF_BLUETOOTH;
+pub const PF_MPLS: ::c_int = AF_MPLS;
+pub const PF_ROUTE: ::c_int = AF_ROUTE;
+
+pub const MSG_NBIO: ::c_int = 0x1000;
+pub const MSG_WAITFORONE: ::c_int = 0x2000;
+pub const MSG_NOTIFICATION: ::c_int = 0x4000;
+
+pub const SCM_TIMESTAMP: ::c_int = 0x08;
+pub const SCM_CREDS: ::c_int = 0x10;
+
+pub const O_DSYNC: ::c_int = 0x10000;
+
+pub const MAP_RENAME: ::c_int = 0x20;
+pub const MAP_NORESERVE: ::c_int = 0x40;
+pub const MAP_HASSEMAPHORE: ::c_int = 0x200;
+pub const MAP_TRYFIXED: ::c_int = 0x400;
+pub const MAP_WIRED: ::c_int = 0x800;
+pub const MAP_STACK: ::c_int = 0x2000;
+// map alignment aliases for MAP_ALIGNED
+pub const MAP_ALIGNMENT_SHIFT: ::c_int = 24;
+pub const MAP_ALIGNMENT_MASK: ::c_int = 0xff << MAP_ALIGNMENT_SHIFT;
+pub const MAP_ALIGNMENT_64KB: ::c_int = 16 << MAP_ALIGNMENT_SHIFT;
+pub const MAP_ALIGNMENT_16MB: ::c_int = 24 << MAP_ALIGNMENT_SHIFT;
+pub const MAP_ALIGNMENT_4GB: ::c_int = 32 << MAP_ALIGNMENT_SHIFT;
+pub const MAP_ALIGNMENT_1TB: ::c_int = 40 << MAP_ALIGNMENT_SHIFT;
+pub const MAP_ALIGNMENT_256TB: ::c_int = 48 << MAP_ALIGNMENT_SHIFT;
+pub const MAP_ALIGNMENT_64PB: ::c_int = 56 << MAP_ALIGNMENT_SHIFT;
+// mremap flag
+pub const MAP_REMAPDUP: ::c_int = 0x004;
+
+pub const DCCP_TYPE_REQUEST: ::c_int = 0;
+pub const DCCP_TYPE_RESPONSE: ::c_int = 1;
+pub const DCCP_TYPE_DATA: ::c_int = 2;
+pub const DCCP_TYPE_ACK: ::c_int = 3;
+pub const DCCP_TYPE_DATAACK: ::c_int = 4;
+pub const DCCP_TYPE_CLOSEREQ: ::c_int = 5;
+pub const DCCP_TYPE_CLOSE: ::c_int = 6;
+pub const DCCP_TYPE_RESET: ::c_int = 7;
+pub const DCCP_TYPE_MOVE: ::c_int = 8;
+
+pub const DCCP_FEATURE_CC: ::c_int = 1;
+pub const DCCP_FEATURE_ECN: ::c_int = 2;
+pub const DCCP_FEATURE_ACKRATIO: ::c_int = 3;
+pub const DCCP_FEATURE_ACKVECTOR: ::c_int = 4;
+pub const DCCP_FEATURE_MOBILITY: ::c_int = 5;
+pub const DCCP_FEATURE_LOSSWINDOW: ::c_int = 6;
+pub const DCCP_FEATURE_CONN_NONCE: ::c_int = 8;
+pub const DCCP_FEATURE_IDENTREG: ::c_int = 7;
+
+pub const DCCP_OPT_PADDING: ::c_int = 0;
+pub const DCCP_OPT_DATA_DISCARD: ::c_int = 1;
+pub const DCCP_OPT_SLOW_RECV: ::c_int = 2;
+pub const DCCP_OPT_BUF_CLOSED: ::c_int = 3;
+pub const DCCP_OPT_CHANGE_L: ::c_int = 32;
+pub const DCCP_OPT_CONFIRM_L: ::c_int = 33;
+pub const DCCP_OPT_CHANGE_R: ::c_int = 34;
+pub const DCCP_OPT_CONFIRM_R: ::c_int = 35;
+pub const DCCP_OPT_INIT_COOKIE: ::c_int = 36;
+pub const DCCP_OPT_NDP_COUNT: ::c_int = 37;
+pub const DCCP_OPT_ACK_VECTOR0: ::c_int = 38;
+pub const DCCP_OPT_ACK_VECTOR1: ::c_int = 39;
+pub const DCCP_OPT_RECV_BUF_DROPS: ::c_int = 40;
+pub const DCCP_OPT_TIMESTAMP: ::c_int = 41;
+pub const DCCP_OPT_TIMESTAMP_ECHO: ::c_int = 42;
+pub const DCCP_OPT_ELAPSEDTIME: ::c_int = 43;
+pub const DCCP_OPT_DATACHECKSUM: ::c_int = 44;
+
+pub const DCCP_REASON_UNSPEC: ::c_int = 0;
+pub const DCCP_REASON_CLOSED: ::c_int = 1;
+pub const DCCP_REASON_INVALID: ::c_int = 2;
+pub const DCCP_REASON_OPTION_ERR: ::c_int = 3;
+pub const DCCP_REASON_FEA_ERR: ::c_int = 4;
+pub const DCCP_REASON_CONN_REF: ::c_int = 5;
+pub const DCCP_REASON_BAD_SNAME: ::c_int = 6;
+pub const DCCP_REASON_BAD_COOKIE: ::c_int = 7;
+pub const DCCP_REASON_INV_MOVE: ::c_int = 8;
+pub const DCCP_REASON_UNANSW_CH: ::c_int = 10;
+pub const DCCP_REASON_FRUITLESS_NEG: ::c_int = 11;
+
+pub const DCCP_CCID: ::c_int = 1;
+pub const DCCP_CSLEN: ::c_int = 2;
+pub const DCCP_MAXSEG: ::c_int = 4;
+pub const DCCP_SERVICE: ::c_int = 8;
+
+pub const DCCP_NDP_LIMIT: ::c_int = 16;
+pub const DCCP_SEQ_NUM_LIMIT: ::c_int = 16777216;
+pub const DCCP_MAX_OPTIONS: ::c_int = 32;
+pub const DCCP_MAX_PKTS: ::c_int = 100;
+
+pub const _PC_LINK_MAX: ::c_int = 1;
+pub const _PC_MAX_CANON: ::c_int = 2;
+pub const _PC_MAX_INPUT: ::c_int = 3;
+pub const _PC_NAME_MAX: ::c_int = 4;
+pub const _PC_PATH_MAX: ::c_int = 5;
+pub const _PC_PIPE_BUF: ::c_int = 6;
+pub const _PC_CHOWN_RESTRICTED: ::c_int = 7;
+pub const _PC_NO_TRUNC: ::c_int = 8;
+pub const _PC_VDISABLE: ::c_int = 9;
+pub const _PC_SYNC_IO: ::c_int = 10;
+pub const _PC_FILESIZEBITS: ::c_int = 11;
+pub const _PC_SYMLINK_MAX: ::c_int = 12;
+pub const _PC_2_SYMLINKS: ::c_int = 13;
+pub const _PC_ACL_EXTENDED: ::c_int = 14;
+pub const _PC_MIN_HOLE_SIZE: ::c_int = 15;
+
+pub const _SC_SYNCHRONIZED_IO: ::c_int = 31;
+pub const _SC_IOV_MAX: ::c_int = 32;
+pub const _SC_MAPPED_FILES: ::c_int = 33;
+pub const _SC_MEMLOCK: ::c_int = 34;
+pub const _SC_MEMLOCK_RANGE: ::c_int = 35;
+pub const _SC_MEMORY_PROTECTION: ::c_int = 36;
+pub const _SC_LOGIN_NAME_MAX: ::c_int = 37;
+pub const _SC_MONOTONIC_CLOCK: ::c_int = 38;
+pub const _SC_CLK_TCK: ::c_int = 39;
+pub const _SC_ATEXIT_MAX: ::c_int = 40;
+pub const _SC_THREADS: ::c_int = 41;
+pub const _SC_SEMAPHORES: ::c_int = 42;
+pub const _SC_BARRIERS: ::c_int = 43;
+pub const _SC_TIMERS: ::c_int = 44;
+pub const _SC_SPIN_LOCKS: ::c_int = 45;
+pub const _SC_READER_WRITER_LOCKS: ::c_int = 46;
+pub const _SC_GETGR_R_SIZE_MAX: ::c_int = 47;
+pub const _SC_GETPW_R_SIZE_MAX: ::c_int = 48;
+pub const _SC_CLOCK_SELECTION: ::c_int = 49;
+pub const _SC_ASYNCHRONOUS_IO: ::c_int = 50;
+pub const _SC_AIO_LISTIO_MAX: ::c_int = 51;
+pub const _SC_AIO_MAX: ::c_int = 52;
+pub const _SC_MESSAGE_PASSING: ::c_int = 53;
+pub const _SC_MQ_OPEN_MAX: ::c_int = 54;
+pub const _SC_MQ_PRIO_MAX: ::c_int = 55;
+pub const _SC_PRIORITY_SCHEDULING: ::c_int = 56;
+pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: ::c_int = 57;
+pub const _SC_THREAD_KEYS_MAX: ::c_int = 58;
+pub const _SC_THREAD_STACK_MIN: ::c_int = 59;
+pub const _SC_THREAD_THREADS_MAX: ::c_int = 60;
+pub const _SC_THREAD_ATTR_STACKADDR: ::c_int = 61;
+pub const _SC_THREAD_ATTR_STACKSIZE: ::c_int = 62;
+pub const _SC_THREAD_PRIORITY_SCHEDULING: ::c_int = 63;
+pub const _SC_THREAD_PRIO_INHERIT: ::c_int = 64;
+pub const _SC_THREAD_PRIO_PROTECT: ::c_int = 65;
+pub const _SC_THREAD_PROCESS_SHARED: ::c_int = 66;
+pub const _SC_THREAD_SAFE_FUNCTIONS: ::c_int = 67;
+pub const _SC_TTY_NAME_MAX: ::c_int = 68;
+pub const _SC_HOST_NAME_MAX: ::c_int = 69;
+pub const _SC_PASS_MAX: ::c_int = 70;
+pub const _SC_REGEXP: ::c_int = 71;
+pub const _SC_SHELL: ::c_int = 72;
+pub const _SC_SYMLOOP_MAX: ::c_int = 73;
+pub const _SC_V6_ILP32_OFF32: ::c_int = 74;
+pub const _SC_V6_ILP32_OFFBIG: ::c_int = 75;
+pub const _SC_V6_LP64_OFF64: ::c_int = 76;
+pub const _SC_V6_LPBIG_OFFBIG: ::c_int = 77;
+pub const _SC_2_PBS: ::c_int = 80;
+pub const _SC_2_PBS_ACCOUNTING: ::c_int = 81;
+pub const _SC_2_PBS_CHECKPOINT: ::c_int = 82;
+pub const _SC_2_PBS_LOCATE: ::c_int = 83;
+pub const _SC_2_PBS_MESSAGE: ::c_int = 84;
+pub const _SC_2_PBS_TRACK: ::c_int = 85;
+pub const _SC_SPAWN: ::c_int = 86;
+pub const _SC_SHARED_MEMORY_OBJECTS: ::c_int = 87;
+pub const _SC_TIMER_MAX: ::c_int = 88;
+pub const _SC_SEM_NSEMS_MAX: ::c_int = 89;
+pub const _SC_CPUTIME: ::c_int = 90;
+pub const _SC_THREAD_CPUTIME: ::c_int = 91;
+pub const _SC_DELAYTIMER_MAX: ::c_int = 92;
+// These two variables will be supported in NetBSD 8.0
+// pub const _SC_SIGQUEUE_MAX : ::c_int = 93;
+// pub const _SC_REALTIME_SIGNALS : ::c_int = 94;
+pub const _SC_PHYS_PAGES: ::c_int = 121;
+pub const _SC_NPROCESSORS_CONF: ::c_int = 1001;
+pub const _SC_NPROCESSORS_ONLN: ::c_int = 1002;
+pub const _SC_SCHED_RT_TS: ::c_int = 2001;
+pub const _SC_SCHED_PRI_MIN: ::c_int = 2002;
+pub const _SC_SCHED_PRI_MAX: ::c_int = 2003;
+
+pub const FD_SETSIZE: usize = 0x100;
+
+pub const ST_NOSUID: ::c_ulong = 8;
+
+pub const BIOCGRSIG: ::c_ulong = 0x40044272;
+pub const BIOCSRSIG: ::c_ulong = 0x80044273;
+pub const BIOCSDLT: ::c_ulong = 0x80044278;
+pub const BIOCGSEESENT: ::c_ulong = 0x40044276;
+pub const BIOCSSEESENT: ::c_ulong = 0x80044277;
+
+// <sys/fstypes.h>
+pub const MNT_UNION: ::c_int = 0x00000020;
+pub const MNT_NOCOREDUMP: ::c_int = 0x00008000;
+pub const MNT_RELATIME: ::c_int = 0x00020000;
+pub const MNT_IGNORE: ::c_int = 0x00100000;
+pub const MNT_NFS4ACLS: ::c_int = 0x00200000;
+pub const MNT_DISCARD: ::c_int = 0x00800000;
+pub const MNT_EXTATTR: ::c_int = 0x01000000;
+pub const MNT_LOG: ::c_int = 0x02000000;
+pub const MNT_NOATIME: ::c_int = 0x04000000;
+pub const MNT_AUTOMOUNTED: ::c_int = 0x10000000;
+pub const MNT_SYMPERM: ::c_int = 0x20000000;
+pub const MNT_NODEVMTIME: ::c_int = 0x40000000;
+pub const MNT_SOFTDEP: ::c_int = 0x80000000;
+pub const MNT_POSIX1EACLS: ::c_int = 0x00000800;
+pub const MNT_ACLS: ::c_int = MNT_POSIX1EACLS;
+pub const MNT_WAIT: ::c_int = 1;
+pub const MNT_NOWAIT: ::c_int = 2;
+pub const MNT_LAZY: ::c_int = 3;
+
+//<sys/timex.h>
+pub const NTP_API: ::c_int = 4;
+pub const MAXPHASE: ::c_long = 500000000;
+pub const MAXFREQ: ::c_long = 500000;
+pub const MINSEC: ::c_int = 256;
+pub const MAXSEC: ::c_int = 2048;
+pub const NANOSECOND: ::c_long = 1000000000;
+pub const SCALE_PPM: ::c_int = 65;
+pub const MAXTC: ::c_int = 10;
+pub const MOD_OFFSET: ::c_uint = 0x0001;
+pub const MOD_FREQUENCY: ::c_uint = 0x0002;
+pub const MOD_MAXERROR: ::c_uint = 0x0004;
+pub const MOD_ESTERROR: ::c_uint = 0x0008;
+pub const MOD_STATUS: ::c_uint = 0x0010;
+pub const MOD_TIMECONST: ::c_uint = 0x0020;
+pub const MOD_PPSMAX: ::c_uint = 0x0040;
+pub const MOD_TAI: ::c_uint = 0x0080;
+pub const MOD_MICRO: ::c_uint = 0x1000;
+pub const MOD_NANO: ::c_uint = 0x2000;
+pub const MOD_CLKB: ::c_uint = 0x4000;
+pub const MOD_CLKA: ::c_uint = 0x8000;
+pub const STA_PLL: ::c_int = 0x0001;
+pub const STA_PPSFREQ: ::c_int = 0x0002;
+pub const STA_PPSTIME: ::c_int = 0x0004;
+pub const STA_FLL: ::c_int = 0x0008;
+pub const STA_INS: ::c_int = 0x0010;
+pub const STA_DEL: ::c_int = 0x0020;
+pub const STA_UNSYNC: ::c_int = 0x0040;
+pub const STA_FREQHOLD: ::c_int = 0x0080;
+pub const STA_PPSSIGNAL: ::c_int = 0x0100;
+pub const STA_PPSJITTER: ::c_int = 0x0200;
+pub const STA_PPSWANDER: ::c_int = 0x0400;
+pub const STA_PPSERROR: ::c_int = 0x0800;
+pub const STA_CLOCKERR: ::c_int = 0x1000;
+pub const STA_NANO: ::c_int = 0x2000;
+pub const STA_MODE: ::c_int = 0x4000;
+pub const STA_CLK: ::c_int = 0x8000;
+pub const STA_RONLY: ::c_int = STA_PPSSIGNAL
+    | STA_PPSJITTER
+    | STA_PPSWANDER
+    | STA_PPSERROR
+    | STA_CLOCKERR
+    | STA_NANO
+    | STA_MODE
+    | STA_CLK;
+pub const TIME_OK: ::c_int = 0;
+pub const TIME_INS: ::c_int = 1;
+pub const TIME_DEL: ::c_int = 2;
+pub const TIME_OOP: ::c_int = 3;
+pub const TIME_WAIT: ::c_int = 4;
+pub const TIME_ERROR: ::c_int = 5;
+
+pub const LITTLE_ENDIAN: ::c_int = 1234;
+pub const BIG_ENDIAN: ::c_int = 4321;
+
+pub const PL_EVENT_NONE: ::c_int = 0;
+pub const PL_EVENT_SIGNAL: ::c_int = 1;
+pub const PL_EVENT_SUSPENDED: ::c_int = 2;
+
+cfg_if! {
+    if #[cfg(any(target_arch = "sparc", target_arch = "sparc64",
+                 target_arch = "x86", target_arch = "x86_64"))] {
+        pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t
+          = pthread_mutex_t {
+            ptm_magic: 0x33330003,
+            ptm_errorcheck: 0,
+            ptm_pad1: [0; 3],
+            ptm_unused: 0,
+            ptm_pad2: [0; 3],
+            ptm_waiters: 0 as *mut _,
+            ptm_owner: 0,
+            ptm_recursed: 0,
+            ptm_spare2: 0 as *mut _,
+        };
+    } else {
+        pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t
+          = pthread_mutex_t {
+            ptm_magic: 0x33330003,
+            ptm_errorcheck: 0,
+            ptm_unused: 0,
+            ptm_waiters: 0 as *mut _,
+            ptm_owner: 0,
+            ptm_recursed: 0,
+            ptm_spare2: 0 as *mut _,
+        };
+    }
+}
+
+pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t {
+    ptc_magic: 0x55550005,
+    ptc_lock: 0,
+    ptc_waiters_first: 0 as *mut _,
+    ptc_waiters_last: 0 as *mut _,
+    ptc_mutex: 0 as *mut _,
+    ptc_private: 0 as *mut _,
+};
+pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t {
+    ptr_magic: 0x99990009,
+    ptr_interlock: 0,
+    ptr_rblocked_first: 0 as *mut _,
+    ptr_rblocked_last: 0 as *mut _,
+    ptr_wblocked_first: 0 as *mut _,
+    ptr_wblocked_last: 0 as *mut _,
+    ptr_nreaders: 0,
+    ptr_owner: 0,
+    ptr_private: 0 as *mut _,
+};
+pub const PTHREAD_MUTEX_NORMAL: ::c_int = 0;
+pub const PTHREAD_MUTEX_ERRORCHECK: ::c_int = 1;
+pub const PTHREAD_MUTEX_RECURSIVE: ::c_int = 2;
+pub const PTHREAD_MUTEX_DEFAULT: ::c_int = PTHREAD_MUTEX_NORMAL;
+
+pub const SCHED_NONE: ::c_int = -1;
+pub const SCHED_OTHER: ::c_int = 0;
+pub const SCHED_FIFO: ::c_int = 1;
+pub const SCHED_RR: ::c_int = 2;
+
+pub const EVFILT_AIO: u32 = 2;
+pub const EVFILT_PROC: u32 = 4;
+pub const EVFILT_READ: u32 = 0;
+pub const EVFILT_SIGNAL: u32 = 5;
+pub const EVFILT_TIMER: u32 = 6;
+pub const EVFILT_VNODE: u32 = 3;
+pub const EVFILT_WRITE: u32 = 1;
+pub const EVFILT_FS: u32 = 7;
+pub const EVFILT_USER: u32 = 8;
+pub const EVFILT_EMPTY: u32 = 9;
+
+pub const EV_ADD: u32 = 0x1;
+pub const EV_DELETE: u32 = 0x2;
+pub const EV_ENABLE: u32 = 0x4;
+pub const EV_DISABLE: u32 = 0x8;
+pub const EV_ONESHOT: u32 = 0x10;
+pub const EV_CLEAR: u32 = 0x20;
+pub const EV_RECEIPT: u32 = 0x40;
+pub const EV_DISPATCH: u32 = 0x80;
+pub const EV_FLAG1: u32 = 0x2000;
+pub const EV_ERROR: u32 = 0x4000;
+pub const EV_EOF: u32 = 0x8000;
+pub const EV_SYSFLAGS: u32 = 0xf000;
+
+pub const NOTE_TRIGGER: u32 = 0x01000000;
+pub const NOTE_FFNOP: u32 = 0x00000000;
+pub const NOTE_FFAND: u32 = 0x40000000;
+pub const NOTE_FFOR: u32 = 0x80000000;
+pub const NOTE_FFCOPY: u32 = 0xc0000000;
+pub const NOTE_FFCTRLMASK: u32 = 0xc0000000;
+pub const NOTE_FFLAGSMASK: u32 = 0x00ffffff;
+pub const NOTE_LOWAT: u32 = 0x00000001;
+pub const NOTE_DELETE: u32 = 0x00000001;
+pub const NOTE_WRITE: u32 = 0x00000002;
+pub const NOTE_EXTEND: u32 = 0x00000004;
+pub const NOTE_ATTRIB: u32 = 0x00000008;
+pub const NOTE_LINK: u32 = 0x00000010;
+pub const NOTE_RENAME: u32 = 0x00000020;
+pub const NOTE_REVOKE: u32 = 0x00000040;
+pub const NOTE_EXIT: u32 = 0x80000000;
+pub const NOTE_FORK: u32 = 0x40000000;
+pub const NOTE_EXEC: u32 = 0x20000000;
+pub const NOTE_PDATAMASK: u32 = 0x000fffff;
+pub const NOTE_PCTRLMASK: u32 = 0xf0000000;
+pub const NOTE_TRACK: u32 = 0x00000001;
+pub const NOTE_TRACKERR: u32 = 0x00000002;
+pub const NOTE_CHILD: u32 = 0x00000004;
+pub const NOTE_MSECONDS: u32 = 0x00000000;
+pub const NOTE_SECONDS: u32 = 0x00000001;
+pub const NOTE_USECONDS: u32 = 0x00000002;
+pub const NOTE_NSECONDS: u32 = 0x00000003;
+pub const NOTE_ABSTIME: u32 = 0x000000010;
+
+pub const TMP_MAX: ::c_uint = 308915776;
+
+pub const AI_PASSIVE: ::c_int = 0x00000001;
+pub const AI_CANONNAME: ::c_int = 0x00000002;
+pub const AI_NUMERICHOST: ::c_int = 0x00000004;
+pub const AI_NUMERICSERV: ::c_int = 0x00000008;
+pub const AI_ADDRCONFIG: ::c_int = 0x00000400;
+pub const AI_SRV: ::c_int = 0x00000800;
+
+pub const NI_MAXHOST: ::socklen_t = 1025;
+pub const NI_MAXSERV: ::socklen_t = 32;
+
+pub const NI_NOFQDN: ::c_int = 0x00000001;
+pub const NI_NUMERICHOST: ::c_int = 0x000000002;
+pub const NI_NAMEREQD: ::c_int = 0x000000004;
+pub const NI_NUMERICSERV: ::c_int = 0x000000008;
+pub const NI_DGRAM: ::c_int = 0x00000010;
+pub const NI_WITHSCOPEID: ::c_int = 0x00000020;
+pub const NI_NUMERICSCOPE: ::c_int = 0x00000040;
+
+pub const RTLD_NOLOAD: ::c_int = 0x2000;
+pub const RTLD_LOCAL: ::c_int = 0x200;
+
+pub const CTL_MAXNAME: ::c_int = 12;
+pub const SYSCTL_NAMELEN: ::c_int = 32;
+pub const SYSCTL_DEFSIZE: ::c_int = 8;
+pub const CTLTYPE_NODE: ::c_int = 1;
+pub const CTLTYPE_INT: ::c_int = 2;
+pub const CTLTYPE_STRING: ::c_int = 3;
+pub const CTLTYPE_QUAD: ::c_int = 4;
+pub const CTLTYPE_STRUCT: ::c_int = 5;
+pub const CTLTYPE_BOOL: ::c_int = 6;
+pub const CTLFLAG_READONLY: ::c_int = 0x00000000;
+pub const CTLFLAG_READWRITE: ::c_int = 0x00000070;
+pub const CTLFLAG_ANYWRITE: ::c_int = 0x00000080;
+pub const CTLFLAG_PRIVATE: ::c_int = 0x00000100;
+pub const CTLFLAG_PERMANENT: ::c_int = 0x00000200;
+pub const CTLFLAG_OWNDATA: ::c_int = 0x00000400;
+pub const CTLFLAG_IMMEDIATE: ::c_int = 0x00000800;
+pub const CTLFLAG_HEX: ::c_int = 0x00001000;
+pub const CTLFLAG_ROOT: ::c_int = 0x00002000;
+pub const CTLFLAG_ANYNUMBER: ::c_int = 0x00004000;
+pub const CTLFLAG_HIDDEN: ::c_int = 0x00008000;
+pub const CTLFLAG_ALIAS: ::c_int = 0x00010000;
+pub const CTLFLAG_MMAP: ::c_int = 0x00020000;
+pub const CTLFLAG_OWNDESC: ::c_int = 0x00040000;
+pub const CTLFLAG_UNSIGNED: ::c_int = 0x00080000;
+pub const SYSCTL_VERS_MASK: ::c_int = 0xff000000;
+pub const SYSCTL_VERS_0: ::c_int = 0x00000000;
+pub const SYSCTL_VERS_1: ::c_int = 0x01000000;
+pub const SYSCTL_VERSION: ::c_int = SYSCTL_VERS_1;
+pub const CTL_EOL: ::c_int = -1;
+pub const CTL_QUERY: ::c_int = -2;
+pub const CTL_CREATE: ::c_int = -3;
+pub const CTL_CREATESYM: ::c_int = -4;
+pub const CTL_DESTROY: ::c_int = -5;
+pub const CTL_MMAP: ::c_int = -6;
+pub const CTL_DESCRIBE: ::c_int = -7;
+pub const CTL_UNSPEC: ::c_int = 0;
+pub const CTL_KERN: ::c_int = 1;
+pub const CTL_VM: ::c_int = 2;
+pub const CTL_VFS: ::c_int = 3;
+pub const CTL_NET: ::c_int = 4;
+pub const CTL_DEBUG: ::c_int = 5;
+pub const CTL_HW: ::c_int = 6;
+pub const CTL_MACHDEP: ::c_int = 7;
+pub const CTL_USER: ::c_int = 8;
+pub const CTL_DDB: ::c_int = 9;
+pub const CTL_PROC: ::c_int = 10;
+pub const CTL_VENDOR: ::c_int = 11;
+pub const CTL_EMUL: ::c_int = 12;
+pub const CTL_SECURITY: ::c_int = 13;
+pub const CTL_MAXID: ::c_int = 14;
+pub const KERN_OSTYPE: ::c_int = 1;
+pub const KERN_OSRELEASE: ::c_int = 2;
+pub const KERN_OSREV: ::c_int = 3;
+pub const KERN_VERSION: ::c_int = 4;
+pub const KERN_MAXVNODES: ::c_int = 5;
+pub const KERN_MAXPROC: ::c_int = 6;
+pub const KERN_MAXFILES: ::c_int = 7;
+pub const KERN_ARGMAX: ::c_int = 8;
+pub const KERN_SECURELVL: ::c_int = 9;
+pub const KERN_HOSTNAME: ::c_int = 10;
+pub const KERN_HOSTID: ::c_int = 11;
+pub const KERN_CLOCKRATE: ::c_int = 12;
+pub const KERN_VNODE: ::c_int = 13;
+pub const KERN_PROC: ::c_int = 14;
+pub const KERN_FILE: ::c_int = 15;
+pub const KERN_PROF: ::c_int = 16;
+pub const KERN_POSIX1: ::c_int = 17;
+pub const KERN_NGROUPS: ::c_int = 18;
+pub const KERN_JOB_CONTROL: ::c_int = 19;
+pub const KERN_SAVED_IDS: ::c_int = 20;
+pub const KERN_OBOOTTIME: ::c_int = 21;
+pub const KERN_DOMAINNAME: ::c_int = 22;
+pub const KERN_MAXPARTITIONS: ::c_int = 23;
+pub const KERN_RAWPARTITION: ::c_int = 24;
+pub const KERN_NTPTIME: ::c_int = 25;
+pub const KERN_TIMEX: ::c_int = 26;
+pub const KERN_AUTONICETIME: ::c_int = 27;
+pub const KERN_AUTONICEVAL: ::c_int = 28;
+pub const KERN_RTC_OFFSET: ::c_int = 29;
+pub const KERN_ROOT_DEVICE: ::c_int = 30;
+pub const KERN_MSGBUFSIZE: ::c_int = 31;
+pub const KERN_FSYNC: ::c_int = 32;
+pub const KERN_OLDSYSVMSG: ::c_int = 33;
+pub const KERN_OLDSYSVSEM: ::c_int = 34;
+pub const KERN_OLDSYSVSHM: ::c_int = 35;
+pub const KERN_OLDSHORTCORENAME: ::c_int = 36;
+pub const KERN_SYNCHRONIZED_IO: ::c_int = 37;
+pub const KERN_IOV_MAX: ::c_int = 38;
+pub const KERN_MBUF: ::c_int = 39;
+pub const KERN_MAPPED_FILES: ::c_int = 40;
+pub const KERN_MEMLOCK: ::c_int = 41;
+pub const KERN_MEMLOCK_RANGE: ::c_int = 42;
+pub const KERN_MEMORY_PROTECTION: ::c_int = 43;
+pub const KERN_LOGIN_NAME_MAX: ::c_int = 44;
+pub const KERN_DEFCORENAME: ::c_int = 45;
+pub const KERN_LOGSIGEXIT: ::c_int = 46;
+pub const KERN_PROC2: ::c_int = 47;
+pub const KERN_PROC_ARGS: ::c_int = 48;
+pub const KERN_FSCALE: ::c_int = 49;
+pub const KERN_CCPU: ::c_int = 50;
+pub const KERN_CP_TIME: ::c_int = 51;
+pub const KERN_OLDSYSVIPC_INFO: ::c_int = 52;
+pub const KERN_MSGBUF: ::c_int = 53;
+pub const KERN_CONSDEV: ::c_int = 54;
+pub const KERN_MAXPTYS: ::c_int = 55;
+pub const KERN_PIPE: ::c_int = 56;
+pub const KERN_MAXPHYS: ::c_int = 57;
+pub const KERN_SBMAX: ::c_int = 58;
+pub const KERN_TKSTAT: ::c_int = 59;
+pub const KERN_MONOTONIC_CLOCK: ::c_int = 60;
+pub const KERN_URND: ::c_int = 61;
+pub const KERN_LABELSECTOR: ::c_int = 62;
+pub const KERN_LABELOFFSET: ::c_int = 63;
+pub const KERN_LWP: ::c_int = 64;
+pub const KERN_FORKFSLEEP: ::c_int = 65;
+pub const KERN_POSIX_THREADS: ::c_int = 66;
+pub const KERN_POSIX_SEMAPHORES: ::c_int = 67;
+pub const KERN_POSIX_BARRIERS: ::c_int = 68;
+pub const KERN_POSIX_TIMERS: ::c_int = 69;
+pub const KERN_POSIX_SPIN_LOCKS: ::c_int = 70;
+pub const KERN_POSIX_READER_WRITER_LOCKS: ::c_int = 71;
+pub const KERN_DUMP_ON_PANIC: ::c_int = 72;
+pub const KERN_SOMAXKVA: ::c_int = 73;
+pub const KERN_ROOT_PARTITION: ::c_int = 74;
+pub const KERN_DRIVERS: ::c_int = 75;
+pub const KERN_BUF: ::c_int = 76;
+pub const KERN_FILE2: ::c_int = 77;
+pub const KERN_VERIEXEC: ::c_int = 78;
+pub const KERN_CP_ID: ::c_int = 79;
+pub const KERN_HARDCLOCK_TICKS: ::c_int = 80;
+pub const KERN_ARND: ::c_int = 81;
+pub const KERN_SYSVIPC: ::c_int = 82;
+pub const KERN_BOOTTIME: ::c_int = 83;
+pub const KERN_EVCNT: ::c_int = 84;
+pub const KERN_MAXID: ::c_int = 85;
+pub const KERN_PROC_ALL: ::c_int = 0;
+pub const KERN_PROC_PID: ::c_int = 1;
+pub const KERN_PROC_PGRP: ::c_int = 2;
+pub const KERN_PROC_SESSION: ::c_int = 3;
+pub const KERN_PROC_TTY: ::c_int = 4;
+pub const KERN_PROC_UID: ::c_int = 5;
+pub const KERN_PROC_RUID: ::c_int = 6;
+pub const KERN_PROC_GID: ::c_int = 7;
+pub const KERN_PROC_RGID: ::c_int = 8;
+pub const KERN_PROC_ARGV: ::c_int = 1;
+pub const KERN_PROC_NARGV: ::c_int = 2;
+pub const KERN_PROC_ENV: ::c_int = 3;
+pub const KERN_PROC_NENV: ::c_int = 4;
+pub const KERN_PROC_PATHNAME: ::c_int = 5;
+pub const VM_PROC: ::c_int = 16;
+pub const VM_PROC_MAP: ::c_int = 1;
+
+pub const EAI_AGAIN: ::c_int = 2;
+pub const EAI_BADFLAGS: ::c_int = 3;
+pub const EAI_FAIL: ::c_int = 4;
+pub const EAI_FAMILY: ::c_int = 5;
+pub const EAI_MEMORY: ::c_int = 6;
+pub const EAI_NODATA: ::c_int = 7;
+pub const EAI_NONAME: ::c_int = 8;
+pub const EAI_SERVICE: ::c_int = 9;
+pub const EAI_SOCKTYPE: ::c_int = 10;
+pub const EAI_SYSTEM: ::c_int = 11;
+pub const EAI_OVERFLOW: ::c_int = 14;
+
+pub const AIO_CANCELED: ::c_int = 1;
+pub const AIO_NOTCANCELED: ::c_int = 2;
+pub const AIO_ALLDONE: ::c_int = 3;
+pub const LIO_NOP: ::c_int = 0;
+pub const LIO_WRITE: ::c_int = 1;
+pub const LIO_READ: ::c_int = 2;
+pub const LIO_WAIT: ::c_int = 1;
+pub const LIO_NOWAIT: ::c_int = 0;
+
+pub const SIGEV_NONE: ::c_int = 0;
+pub const SIGEV_SIGNAL: ::c_int = 1;
+pub const SIGEV_THREAD: ::c_int = 2;
+
+pub const WSTOPPED: ::c_int = 0x00000002; // same as WUNTRACED
+pub const WCONTINUED: ::c_int = 0x00000010;
+pub const WEXITED: ::c_int = 0x000000020;
+pub const WNOWAIT: ::c_int = 0x00010000;
+
+pub const WALTSIG: ::c_int = 0x00000004;
+pub const WALLSIG: ::c_int = 0x00000008;
+pub const WTRAPPED: ::c_int = 0x00000040;
+pub const WNOZOMBIE: ::c_int = 0x00020000;
+
+pub const P_ALL: idtype_t = 0;
+pub const P_PID: idtype_t = 1;
+pub const P_PGID: idtype_t = 4;
+
+pub const UTIME_OMIT: c_long = 1073741822;
+pub const UTIME_NOW: c_long = 1073741823;
+
+pub const B460800: ::speed_t = 460800;
+pub const B921600: ::speed_t = 921600;
+
+pub const ONOCR: ::tcflag_t = 0x20;
+pub const ONLRET: ::tcflag_t = 0x40;
+pub const CDTRCTS: ::tcflag_t = 0x00020000;
+pub const CHWFLOW: ::tcflag_t = ::MDMBUF | ::CRTSCTS | ::CDTRCTS;
+
+// pub const _PATH_UTMPX: &[::c_char; 14] = b"/var/run/utmpx";
+// pub const _PATH_WTMPX: &[::c_char; 14] = b"/var/log/wtmpx";
+// pub const _PATH_LASTLOGX: &[::c_char; 17] = b"/var/log/lastlogx";
+// pub const _PATH_UTMP_UPDATE: &[::c_char; 24] = b"/usr/libexec/utmp_update";
+pub const UT_NAMESIZE: usize = 8;
+pub const UT_LINESIZE: usize = 8;
+pub const UT_HOSTSIZE: usize = 16;
+pub const _UTX_USERSIZE: usize = 32;
+pub const _UTX_LINESIZE: usize = 32;
+pub const _UTX_PADSIZE: usize = 40;
+pub const _UTX_IDSIZE: usize = 4;
+pub const _UTX_HOSTSIZE: usize = 256;
+pub const EMPTY: u16 = 0;
+pub const RUN_LVL: u16 = 1;
+pub const BOOT_TIME: u16 = 2;
+pub const OLD_TIME: u16 = 3;
+pub const NEW_TIME: u16 = 4;
+pub const INIT_PROCESS: u16 = 5;
+pub const LOGIN_PROCESS: u16 = 6;
+pub const USER_PROCESS: u16 = 7;
+pub const DEAD_PROCESS: u16 = 8;
+pub const ACCOUNTING: u16 = 9;
+pub const SIGNATURE: u16 = 10;
+pub const DOWN_TIME: u16 = 11;
+
+pub const SOCK_CLOEXEC: ::c_int = 0x10000000;
+pub const SOCK_NONBLOCK: ::c_int = 0x20000000;
+
+// Uncomment on next NetBSD release
+// pub const FIOSEEKDATA: ::c_ulong = 0xc0086661;
+// pub const FIOSEEKHOLE: ::c_ulong = 0xc0086662;
+pub const OFIOGETBMAP: ::c_ulong = 0xc004667a;
+pub const FIOGETBMAP: ::c_ulong = 0xc008667a;
+pub const FIONWRITE: ::c_ulong = 0x40046679;
+pub const FIONSPACE: ::c_ulong = 0x40046678;
+pub const FIBMAP: ::c_ulong = 0xc008667a;
+
+pub const SIGSTKSZ: ::size_t = 40960;
+
+pub const REG_ENOSYS: ::c_int = 17;
+
+pub const PT_DUMPCORE: ::c_int = 12;
+pub const PT_LWPINFO: ::c_int = 13;
+pub const PT_SYSCALL: ::c_int = 14;
+pub const PT_SYSCALLEMU: ::c_int = 15;
+pub const PT_SET_EVENT_MASK: ::c_int = 16;
+pub const PT_GET_EVENT_MASK: ::c_int = 17;
+pub const PT_GET_PROCESS_STATE: ::c_int = 18;
+pub const PT_SET_SIGINFO: ::c_int = 19;
+pub const PT_GET_SIGINFO: ::c_int = 20;
+pub const PT_RESUME: ::c_int = 21;
+pub const PT_SUSPEND: ::c_int = 23;
+pub const PT_STOP: ::c_int = 23;
+pub const PT_LWPSTATUS: ::c_int = 24;
+pub const PT_LWPNEXT: ::c_int = 25;
+pub const PT_SET_SIGPASS: ::c_int = 26;
+pub const PT_GET_SIGPASS: ::c_int = 27;
+pub const PT_FIRSTMACH: ::c_int = 32;
+pub const POSIX_SPAWN_RETURNERROR: ::c_int = 0x40;
+
+// Flags for chflags(2)
+pub const SF_APPEND: ::c_ulong = 0x00040000;
+pub const SF_ARCHIVED: ::c_ulong = 0x00010000;
+pub const SF_IMMUTABLE: ::c_ulong = 0x00020000;
+pub const SF_LOG: ::c_ulong = 0x00400000;
+pub const SF_SETTABLE: ::c_ulong = 0xffff0000;
+pub const SF_SNAPINVAL: ::c_ulong = 0x00800000;
+pub const SF_SNAPSHOT: ::c_ulong = 0x00200000;
+pub const UF_APPEND: ::c_ulong = 0x00000004;
+pub const UF_IMMUTABLE: ::c_ulong = 0x00000002;
+pub const UF_NODUMP: ::c_ulong = 0x00000001;
+pub const UF_OPAQUE: ::c_ulong = 0x00000008;
+pub const UF_SETTABLE: ::c_ulong = 0x0000ffff;
+
+// sys/sysctl.h
+pub const KVME_PROT_READ: ::c_int = 0x00000001;
+pub const KVME_PROT_WRITE: ::c_int = 0x00000002;
+pub const KVME_PROT_EXEC: ::c_int = 0x00000004;
+
+pub const KVME_FLAG_COW: ::c_int = 0x00000001;
+pub const KVME_FLAG_NEEDS_COPY: ::c_int = 0x00000002;
+pub const KVME_FLAG_NOCOREDUMP: ::c_int = 0x000000004;
+pub const KVME_FLAG_PAGEABLE: ::c_int = 0x000000008;
+pub const KVME_FLAG_GROWS_UP: ::c_int = 0x000000010;
+pub const KVME_FLAG_GROWS_DOWN: ::c_int = 0x000000020;
+
+pub const NGROUPS_MAX: ::c_int = 16;
+
+pub const KI_NGROUPS: ::c_int = 16;
+pub const KI_MAXCOMLEN: ::c_int = 24;
+pub const KI_WMESGLEN: ::c_int = 8;
+pub const KI_MAXLOGNAME: ::c_int = 24;
+pub const KI_MAXEMULLEN: ::c_int = 16;
+pub const KI_LNAMELEN: ::c_int = 20;
+
+// sys/lwp.h
+pub const LSIDL: ::c_int = 1;
+pub const LSRUN: ::c_int = 2;
+pub const LSSLEEP: ::c_int = 3;
+pub const LSSTOP: ::c_int = 4;
+pub const LSZOMB: ::c_int = 5;
+pub const LSONPROC: ::c_int = 7;
+pub const LSSUSPENDED: ::c_int = 8;
+
+// sys/xattr.h
+pub const XATTR_CREATE: ::c_int = 0x01;
+pub const XATTR_REPLACE: ::c_int = 0x02;
+// sys/extattr.h
+pub const EXTATTR_NAMESPACE_EMPTY: ::c_int = 0;
+
+// For getrandom()
+pub const GRND_NONBLOCK: ::c_uint = 0x1;
+pub const GRND_RANDOM: ::c_uint = 0x2;
+pub const GRND_INSECURE: ::c_uint = 0x4;
+
+// sys/reboot.h
+pub const RB_ASKNAME: ::c_int = 0x000000001;
+pub const RB_SINGLE: ::c_int = 0x000000002;
+pub const RB_NOSYNC: ::c_int = 0x000000004;
+pub const RB_HALT: ::c_int = 0x000000008;
+pub const RB_INITNAME: ::c_int = 0x000000010;
+pub const RB_KDB: ::c_int = 0x000000040;
+pub const RB_RDONLY: ::c_int = 0x000000080;
+pub const RB_DUMP: ::c_int = 0x000000100;
+pub const RB_MINIROOT: ::c_int = 0x000000200;
+pub const RB_STRING: ::c_int = 0x000000400;
+pub const RB_POWERDOWN: ::c_int = RB_HALT | 0x000000800;
+pub const RB_USERCONF: ::c_int = 0x000001000;
+
+cfg_if! {
+
+    if #[cfg(libc_const_extern_fn)] {
+        pub const fn MAP_ALIGNED(alignment: ::c_int) -> ::c_int {
+            alignment << MAP_ALIGNMENT_SHIFT
+        }
+    } else {
+        pub fn MAP_ALIGNED(alignment: ::c_int) -> ::c_int {
+            alignment << MAP_ALIGNMENT_SHIFT
+        }
+    }
+}
+
+const_fn! {
+    {const} fn _ALIGN(p: usize) -> usize {
+        (p + _ALIGNBYTES) & !_ALIGNBYTES
+    }
+}
+
+f! {
+    pub fn CMSG_DATA(cmsg: *const ::cmsghdr) -> *mut ::c_uchar {
+        (cmsg as *mut ::c_uchar)
+            .offset(_ALIGN(::mem::size_of::<::cmsghdr>()) as isize)
+    }
+
+    pub {const} fn CMSG_LEN(length: ::c_uint) -> ::c_uint {
+        _ALIGN(::mem::size_of::<::cmsghdr>()) as ::c_uint + length
+    }
+
+    pub fn CMSG_NXTHDR(mhdr: *const ::msghdr, cmsg: *const ::cmsghdr)
+        -> *mut ::cmsghdr
+    {
+        if cmsg.is_null() {
+            return ::CMSG_FIRSTHDR(mhdr);
+        };
+        let next = cmsg as usize + _ALIGN((*cmsg).cmsg_len as usize)
+            + _ALIGN(::mem::size_of::<::cmsghdr>());
+        let max = (*mhdr).msg_control as usize
+            + (*mhdr).msg_controllen as usize;
+        if next > max {
+            0 as *mut ::cmsghdr
+        } else {
+            (cmsg as usize + _ALIGN((*cmsg).cmsg_len as usize))
+                as *mut ::cmsghdr
+        }
+    }
+
+    pub {const} fn CMSG_SPACE(length: ::c_uint) -> ::c_uint {
+        (_ALIGN(::mem::size_of::<::cmsghdr>()) + _ALIGN(length as usize))
+            as ::c_uint
+    }
+
+    // dirfd() is a macro on netbsd to access
+    // the first field of the struct where dirp points to:
+    // http://cvsweb.netbsd.org/bsdweb.cgi/src/include/dirent.h?rev=1.36
+    pub fn dirfd(dirp: *mut ::DIR) -> ::c_int {
+        *(dirp as *const ::c_int)
+    }
+
+    pub fn SOCKCREDSIZE(ngrps: usize) -> usize {
+        let ngrps = if ngrps > 0 {
+            ngrps - 1
+        } else {
+            0
+        };
+        ::mem::size_of::<sockcred>() + ::mem::size_of::<::gid_t>() * ngrps
+    }
+
+    pub fn PROT_MPROTECT(x: ::c_int) -> ::c_int {
+        x << 3
+    }
+
+    pub fn PROT_MPROTECT_EXTRACT(x: ::c_int) -> ::c_int {
+        (x >> 3) & 0x7
+    }
+
+    pub fn major(dev: ::dev_t) -> ::c_int {
+        (((dev as u32) & 0x000fff00) >>  8) as ::c_int
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_int {
+        let mut res = 0;
+        res |= ((dev as u32) & 0xfff00000) >> 12;
+        res |= (dev as u32) & 0x000000ff;
+        res as ::c_int
+    }
+}
+
+safe_f! {
+    pub {const} fn WSTOPSIG(status: ::c_int) -> ::c_int {
+        status >> 8
+    }
+
+    pub {const} fn WIFSIGNALED(status: ::c_int) -> bool {
+        (status & 0o177) != 0o177 && (status & 0o177) != 0
+    }
+
+    pub {const} fn WIFSTOPPED(status: ::c_int) -> bool {
+        (status & 0o177) == 0o177
+    }
+
+    pub {const} fn WIFCONTINUED(status: ::c_int) -> bool {
+        status == 0xffff
+    }
+
+    pub {const} fn makedev(major: ::c_uint, minor: ::c_uint) -> ::dev_t {
+        let major = major as ::dev_t;
+        let minor = minor as ::dev_t;
+        let mut dev = 0;
+        dev |= (major << 8) & 0x000ff00;
+        dev |= (minor << 12) & 0xfff00000;
+        dev |= minor & 0xff;
+        dev
+    }
+}
+
+extern "C" {
+    pub fn ntp_adjtime(buf: *mut timex) -> ::c_int;
+    pub fn ntp_gettime(buf: *mut ntptimeval) -> ::c_int;
+    pub fn clock_nanosleep(
+        clk_id: ::clockid_t,
+        flags: ::c_int,
+        rqtp: *const ::timespec,
+        rmtp: *mut ::timespec,
+    ) -> ::c_int;
+
+    pub fn reallocarr(ptr: *mut ::c_void, number: ::size_t, size: ::size_t) -> ::c_int;
+
+    pub fn chflags(path: *const ::c_char, flags: ::c_ulong) -> ::c_int;
+    pub fn fchflags(fd: ::c_int, flags: ::c_ulong) -> ::c_int;
+    pub fn lchflags(path: *const ::c_char, flags: ::c_ulong) -> ::c_int;
+
+    pub fn extattr_list_fd(
+        fd: ::c_int,
+        attrnamespace: ::c_int,
+        data: *mut ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+    pub fn extattr_list_file(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        data: *mut ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+    pub fn extattr_list_link(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        data: *mut ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+    pub fn extattr_delete_fd(
+        fd: ::c_int,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+    ) -> ::c_int;
+    pub fn extattr_delete_file(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+    ) -> ::c_int;
+    pub fn extattr_delete_link(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+    ) -> ::c_int;
+    pub fn extattr_get_fd(
+        fd: ::c_int,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+        data: *mut ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+    pub fn extattr_get_file(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+        data: *mut ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+    pub fn extattr_get_link(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+        data: *mut ::c_void,
+        nbytes: ::size_t,
+    ) -> ::ssize_t;
+    pub fn extattr_namespace_to_string(
+        attrnamespace: ::c_int,
+        string: *mut *mut ::c_char,
+    ) -> ::c_int;
+    pub fn extattr_set_fd(
+        fd: ::c_int,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+        data: *const ::c_void,
+        nbytes: ::size_t,
+    ) -> ::c_int;
+    pub fn extattr_set_file(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+        data: *const ::c_void,
+        nbytes: ::size_t,
+    ) -> ::c_int;
+    pub fn extattr_set_link(
+        path: *const ::c_char,
+        attrnamespace: ::c_int,
+        attrname: *const ::c_char,
+        data: *const ::c_void,
+        nbytes: ::size_t,
+    ) -> ::c_int;
+    pub fn extattr_string_to_namespace(
+        string: *const ::c_char,
+        attrnamespace: *mut ::c_int,
+    ) -> ::c_int;
+
+    pub fn openpty(
+        amaster: *mut ::c_int,
+        aslave: *mut ::c_int,
+        name: *mut ::c_char,
+        termp: *mut ::termios,
+        winp: *mut ::winsize,
+    ) -> ::c_int;
+    pub fn forkpty(
+        amaster: *mut ::c_int,
+        name: *mut ::c_char,
+        termp: *mut ::termios,
+        winp: *mut ::winsize,
+    ) -> ::pid_t;
+
+    #[link_name = "__lutimes50"]
+    pub fn lutimes(file: *const ::c_char, times: *const ::timeval) -> ::c_int;
+    #[link_name = "__gettimeofday50"]
+    pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int;
+    pub fn getnameinfo(
+        sa: *const ::sockaddr,
+        salen: ::socklen_t,
+        host: *mut ::c_char,
+        hostlen: ::socklen_t,
+        serv: *mut ::c_char,
+        servlen: ::socklen_t,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn mprotect(addr: *mut ::c_void, len: ::size_t, prot: ::c_int) -> ::c_int;
+    pub fn sysctl(
+        name: *const ::c_int,
+        namelen: ::c_uint,
+        oldp: *mut ::c_void,
+        oldlenp: *mut ::size_t,
+        newp: *const ::c_void,
+        newlen: ::size_t,
+    ) -> ::c_int;
+    pub fn sysctlbyname(
+        name: *const ::c_char,
+        oldp: *mut ::c_void,
+        oldlenp: *mut ::size_t,
+        newp: *const ::c_void,
+        newlen: ::size_t,
+    ) -> ::c_int;
+    #[link_name = "__kevent50"]
+    pub fn kevent(
+        kq: ::c_int,
+        changelist: *const ::kevent,
+        nchanges: ::size_t,
+        eventlist: *mut ::kevent,
+        nevents: ::size_t,
+        timeout: *const ::timespec,
+    ) -> ::c_int;
+    #[link_name = "__mount50"]
+    pub fn mount(
+        src: *const ::c_char,
+        target: *const ::c_char,
+        flags: ::c_int,
+        data: *mut ::c_void,
+        size: ::size_t,
+    ) -> ::c_int;
+    pub fn mq_open(name: *const ::c_char, oflag: ::c_int, ...) -> ::mqd_t;
+    pub fn mq_close(mqd: ::mqd_t) -> ::c_int;
+    pub fn mq_getattr(mqd: ::mqd_t, attr: *mut ::mq_attr) -> ::c_int;
+    pub fn mq_notify(mqd: ::mqd_t, notification: *const ::sigevent) -> ::c_int;
+    pub fn mq_receive(
+        mqd: ::mqd_t,
+        msg_ptr: *mut ::c_char,
+        msg_len: ::size_t,
+        msg_prio: *mut ::c_uint,
+    ) -> ::ssize_t;
+    pub fn mq_send(
+        mqd: ::mqd_t,
+        msg_ptr: *const ::c_char,
+        msg_len: ::size_t,
+        msg_prio: ::c_uint,
+    ) -> ::c_int;
+    pub fn mq_setattr(mqd: ::mqd_t, newattr: *const ::mq_attr, oldattr: *mut ::mq_attr) -> ::c_int;
+    #[link_name = "__mq_timedreceive50"]
+    pub fn mq_timedreceive(
+        mqd: ::mqd_t,
+        msg_ptr: *mut ::c_char,
+        msg_len: ::size_t,
+        msg_prio: *mut ::c_uint,
+        abs_timeout: *const ::timespec,
+    ) -> ::ssize_t;
+    #[link_name = "__mq_timedsend50"]
+    pub fn mq_timedsend(
+        mqd: ::mqd_t,
+        msg_ptr: *const ::c_char,
+        msg_len: ::size_t,
+        msg_prio: ::c_uint,
+        abs_timeout: *const ::timespec,
+    ) -> ::c_int;
+    pub fn mq_unlink(name: *const ::c_char) -> ::c_int;
+    pub fn ptrace(request: ::c_int, pid: ::pid_t, addr: *mut ::c_void, data: ::c_int) -> ::c_int;
+    pub fn utrace(label: *const ::c_char, addr: *mut ::c_void, len: ::size_t) -> ::c_int;
+    pub fn pthread_getname_np(t: ::pthread_t, name: *mut ::c_char, len: ::size_t) -> ::c_int;
+    pub fn pthread_setname_np(
+        t: ::pthread_t,
+        name: *const ::c_char,
+        arg: *const ::c_void,
+    ) -> ::c_int;
+    pub fn pthread_attr_get_np(thread: ::pthread_t, attr: *mut ::pthread_attr_t) -> ::c_int;
+    pub fn pthread_getattr_np(native: ::pthread_t, attr: *mut ::pthread_attr_t) -> ::c_int;
+    pub fn pthread_attr_getguardsize(
+        attr: *const ::pthread_attr_t,
+        guardsize: *mut ::size_t,
+    ) -> ::c_int;
+    pub fn pthread_attr_setguardsize(attr: *mut ::pthread_attr_t, guardsize: ::size_t) -> ::c_int;
+    pub fn pthread_attr_getstack(
+        attr: *const ::pthread_attr_t,
+        stackaddr: *mut *mut ::c_void,
+        stacksize: *mut ::size_t,
+    ) -> ::c_int;
+    pub fn pthread_getaffinity_np(
+        thread: ::pthread_t,
+        size: ::size_t,
+        set: *mut cpuset_t,
+    ) -> ::c_int;
+    pub fn pthread_setaffinity_np(
+        thread: ::pthread_t,
+        size: ::size_t,
+        set: *mut cpuset_t,
+    ) -> ::c_int;
+
+    pub fn _cpuset_create() -> *mut cpuset_t;
+    pub fn _cpuset_destroy(set: *mut cpuset_t);
+    pub fn _cpuset_clr(cpu: cpuid_t, set: *mut cpuset_t) -> ::c_int;
+    pub fn _cpuset_set(cpu: cpuid_t, set: *mut cpuset_t) -> ::c_int;
+    pub fn _cpuset_isset(cpu: cpuid_t, set: *const cpuset_t) -> ::c_int;
+    pub fn _cpuset_size(set: *const cpuset_t) -> ::size_t;
+    pub fn _cpuset_zero(set: *mut cpuset_t);
+    #[link_name = "__sigtimedwait50"]
+    pub fn sigtimedwait(
+        set: *const sigset_t,
+        info: *mut siginfo_t,
+        timeout: *const ::timespec,
+    ) -> ::c_int;
+    pub fn sigwaitinfo(set: *const sigset_t, info: *mut siginfo_t) -> ::c_int;
+
+    pub fn duplocale(base: ::locale_t) -> ::locale_t;
+    pub fn freelocale(loc: ::locale_t);
+    pub fn localeconv_l(loc: ::locale_t) -> *mut lconv;
+    pub fn newlocale(mask: ::c_int, locale: *const ::c_char, base: ::locale_t) -> ::locale_t;
+    #[link_name = "__settimeofday50"]
+    pub fn settimeofday(tv: *const ::timeval, tz: *const ::c_void) -> ::c_int;
+
+    pub fn dup3(src: ::c_int, dst: ::c_int, flags: ::c_int) -> ::c_int;
+
+    pub fn kqueue1(flags: ::c_int) -> ::c_int;
+
+    pub fn sendmmsg(
+        sockfd: ::c_int,
+        msgvec: *mut ::mmsghdr,
+        vlen: ::c_uint,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn recvmmsg(
+        sockfd: ::c_int,
+        msgvec: *mut ::mmsghdr,
+        vlen: ::c_uint,
+        flags: ::c_int,
+        timeout: *mut ::timespec,
+    ) -> ::c_int;
+
+    pub fn _lwp_self() -> lwpid_t;
+    pub fn memmem(
+        haystack: *const ::c_void,
+        haystacklen: ::size_t,
+        needle: *const ::c_void,
+        needlelen: ::size_t,
+    ) -> *mut ::c_void;
+
+    // link.h
+
+    pub fn dl_iterate_phdr(
+        callback: ::Option<
+            unsafe extern "C" fn(
+                info: *mut dl_phdr_info,
+                size: usize,
+                data: *mut ::c_void,
+            ) -> ::c_int,
+        >,
+        data: *mut ::c_void,
+    ) -> ::c_int;
+
+    // dlfcn.h
+
+    pub fn _dlauxinfo() -> *mut ::c_void;
+
+    pub fn iconv_open(tocode: *const ::c_char, fromcode: *const ::c_char) -> iconv_t;
+    pub fn iconv(
+        cd: iconv_t,
+        inbuf: *mut *mut ::c_char,
+        inbytesleft: *mut ::size_t,
+        outbuf: *mut *mut ::c_char,
+        outbytesleft: *mut ::size_t,
+    ) -> ::size_t;
+    pub fn iconv_close(cd: iconv_t) -> ::c_int;
+
+    pub fn timer_create(
+        clockid: ::clockid_t,
+        sevp: *mut ::sigevent,
+        timerid: *mut ::timer_t,
+    ) -> ::c_int;
+    pub fn timer_delete(timerid: ::timer_t) -> ::c_int;
+    pub fn timer_getoverrun(timerid: ::timer_t) -> ::c_int;
+    pub fn timer_gettime(timerid: ::timer_t, curr_value: *mut ::itimerspec) -> ::c_int;
+    pub fn timer_settime(
+        timerid: ::timer_t,
+        flags: ::c_int,
+        new_value: *const ::itimerspec,
+        old_value: *mut ::itimerspec,
+    ) -> ::c_int;
+
+    // Added in `NetBSD` 7.0
+    pub fn explicit_memset(b: *mut ::c_void, c: ::c_int, len: ::size_t);
+    pub fn consttime_memequal(a: *const ::c_void, b: *const ::c_void, len: ::size_t) -> ::c_int;
+
+    pub fn setproctitle(fmt: *const ::c_char, ...);
+    pub fn mremap(
+        oldp: *mut ::c_void,
+        oldsize: ::size_t,
+        newp: *mut ::c_void,
+        newsize: ::size_t,
+        flags: ::c_int,
+    ) -> *mut ::c_void;
+
+    pub fn sched_rr_get_interval(pid: ::pid_t, t: *mut ::timespec) -> ::c_int;
+    pub fn sched_setparam(pid: ::pid_t, param: *const ::sched_param) -> ::c_int;
+    pub fn sched_getparam(pid: ::pid_t, param: *mut ::sched_param) -> ::c_int;
+    pub fn sched_getscheduler(pid: ::pid_t) -> ::c_int;
+    pub fn sched_setscheduler(
+        pid: ::pid_t,
+        policy: ::c_int,
+        param: *const ::sched_param,
+    ) -> ::c_int;
+
+    #[link_name = "__pollts50"]
+    pub fn pollts(
+        fds: *mut ::pollfd,
+        nfds: ::nfds_t,
+        ts: *const ::timespec,
+        sigmask: *const ::sigset_t,
+    ) -> ::c_int;
+    pub fn ppoll(
+        fds: *mut ::pollfd,
+        nfds: ::nfds_t,
+        ts: *const ::timespec,
+        sigmask: *const ::sigset_t,
+    ) -> ::c_int;
+    pub fn getrandom(buf: *mut ::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t;
+
+    pub fn reboot(mode: ::c_int, bootstr: *mut ::c_char) -> ::c_int;
+}
+
+#[link(name = "rt")]
+extern "C" {
+    pub fn aio_read(aiocbp: *mut aiocb) -> ::c_int;
+    pub fn aio_write(aiocbp: *mut aiocb) -> ::c_int;
+    pub fn aio_fsync(op: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
+    pub fn aio_error(aiocbp: *const aiocb) -> ::c_int;
+    pub fn aio_return(aiocbp: *mut aiocb) -> ::ssize_t;
+    #[link_name = "__aio_suspend50"]
+    pub fn aio_suspend(
+        aiocb_list: *const *const aiocb,
+        nitems: ::c_int,
+        timeout: *const ::timespec,
+    ) -> ::c_int;
+    pub fn aio_cancel(fd: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
+    pub fn lio_listio(
+        mode: ::c_int,
+        aiocb_list: *const *mut aiocb,
+        nitems: ::c_int,
+        sevp: *mut sigevent,
+    ) -> ::c_int;
+}
+
+#[link(name = "util")]
+extern "C" {
+    #[cfg_attr(target_os = "netbsd", link_name = "__getpwent_r50")]
+    pub fn getpwent_r(
+        pwd: *mut ::passwd,
+        buf: *mut ::c_char,
+        buflen: ::size_t,
+        result: *mut *mut ::passwd,
+    ) -> ::c_int;
+    pub fn getgrent_r(
+        grp: *mut ::group,
+        buf: *mut ::c_char,
+        buflen: ::size_t,
+        result: *mut *mut ::group,
+    ) -> ::c_int;
+
+    pub fn updwtmpx(file: *const ::c_char, ut: *const utmpx) -> ::c_int;
+    pub fn getlastlogx(fname: *const ::c_char, uid: ::uid_t, ll: *mut lastlogx) -> *mut lastlogx;
+    pub fn updlastlogx(fname: *const ::c_char, uid: ::uid_t, ll: *mut lastlogx) -> ::c_int;
+    pub fn utmpxname(file: *const ::c_char) -> ::c_int;
+    pub fn getutxent() -> *mut utmpx;
+    pub fn getutxid(ut: *const utmpx) -> *mut utmpx;
+    pub fn getutxline(ut: *const utmpx) -> *mut utmpx;
+    pub fn pututxline(ut: *const utmpx) -> *mut utmpx;
+    pub fn setutxent();
+    pub fn endutxent();
+
+    pub fn getutmp(ux: *const utmpx, u: *mut utmp);
+    pub fn getutmpx(u: *const utmp, ux: *mut utmpx);
+
+    pub fn utpname(file: *const ::c_char) -> ::c_int;
+    pub fn setutent();
+    pub fn endutent();
+    pub fn getutent() -> *mut utmp;
+
+    pub fn efopen(p: *const ::c_char, m: *const ::c_char) -> ::FILE;
+    pub fn emalloc(n: ::size_t) -> *mut ::c_void;
+    pub fn ecalloc(n: ::size_t, c: ::size_t) -> *mut ::c_void;
+    pub fn erealloc(p: *mut ::c_void, n: ::size_t) -> *mut ::c_void;
+    pub fn ereallocarr(p: *mut ::c_void, n: ::size_t, s: ::size_t);
+    pub fn estrdup(s: *const ::c_char) -> *mut ::c_char;
+    pub fn estrndup(s: *const ::c_char, len: ::size_t) -> *mut ::c_char;
+    pub fn estrlcpy(dst: *mut ::c_char, src: *const ::c_char, len: ::size_t) -> ::size_t;
+    pub fn estrlcat(dst: *mut ::c_char, src: *const ::c_char, len: ::size_t) -> ::size_t;
+    pub fn estrtoi(
+        nptr: *const ::c_char,
+        base: ::c_int,
+        lo: ::intmax_t,
+        hi: ::intmax_t,
+    ) -> ::intmax_t;
+    pub fn estrtou(
+        nptr: *const ::c_char,
+        base: ::c_int,
+        lo: ::uintmax_t,
+        hi: ::uintmax_t,
+    ) -> ::uintmax_t;
+    pub fn easprintf(string: *mut *mut ::c_char, fmt: *const ::c_char, ...) -> ::c_int;
+    pub fn evasprintf(string: *mut *mut ::c_char, fmt: *const ::c_char, ...) -> ::c_int;
+    pub fn esetfunc(
+        cb: ::Option<unsafe extern "C" fn(::c_int, *const ::c_char, ...)>,
+    ) -> ::Option<unsafe extern "C" fn(::c_int, *const ::c_char, ...)>;
+    pub fn secure_path(path: *const ::c_char) -> ::c_int;
+    pub fn snprintb(
+        buf: *mut ::c_char,
+        buflen: ::size_t,
+        fmt: *const ::c_char,
+        val: u64,
+    ) -> ::c_int;
+    pub fn snprintb_m(
+        buf: *mut ::c_char,
+        buflen: ::size_t,
+        fmt: *const ::c_char,
+        val: u64,
+        max: ::size_t,
+    ) -> ::c_int;
+
+    pub fn getbootfile() -> *const ::c_char;
+    pub fn getbyteorder() -> ::c_int;
+    pub fn getdiskrawname(
+        buf: *mut ::c_char,
+        buflen: ::size_t,
+        name: *const ::c_char,
+    ) -> *const ::c_char;
+    pub fn getdiskcookedname(
+        buf: *mut ::c_char,
+        buflen: ::size_t,
+        name: *const ::c_char,
+    ) -> *const ::c_char;
+    pub fn getfsspecname(
+        buf: *mut ::c_char,
+        buflen: ::size_t,
+        spec: *const ::c_char,
+    ) -> *const ::c_char;
+
+    pub fn strpct(
+        buf: *mut ::c_char,
+        bufsiz: ::size_t,
+        numerator: ::uintmax_t,
+        denominator: ::uintmax_t,
+        precision: ::size_t,
+    ) -> *mut ::c_char;
+    pub fn strspct(
+        buf: *mut ::c_char,
+        bufsiz: ::size_t,
+        numerator: ::intmax_t,
+        denominator: ::intmax_t,
+        precision: ::size_t,
+    ) -> *mut ::c_char;
+    #[link_name = "__login50"]
+    pub fn login(ut: *const utmp);
+    #[link_name = "__loginx50"]
+    pub fn loginx(ut: *const utmpx);
+    pub fn logout(line: *const ::c_char);
+    pub fn logoutx(line: *const ::c_char, status: ::c_int, tpe: ::c_int);
+    pub fn logwtmp(line: *const ::c_char, name: *const ::c_char, host: *const ::c_char);
+    pub fn logwtmpx(
+        line: *const ::c_char,
+        name: *const ::c_char,
+        host: *const ::c_char,
+        status: ::c_int,
+        tpe: ::c_int,
+    );
+
+    pub fn getxattr(
+        path: *const ::c_char,
+        name: *const ::c_char,
+        value: *mut ::c_void,
+        size: ::size_t,
+    ) -> ::ssize_t;
+    pub fn lgetxattr(
+        path: *const ::c_char,
+        name: *const ::c_char,
+        value: *mut ::c_void,
+        size: ::size_t,
+    ) -> ::ssize_t;
+    pub fn fgetxattr(
+        filedes: ::c_int,
+        name: *const ::c_char,
+        value: *mut ::c_void,
+        size: ::size_t,
+    ) -> ::ssize_t;
+    pub fn setxattr(
+        path: *const ::c_char,
+        name: *const ::c_char,
+        value: *const ::c_void,
+        size: ::size_t,
+    ) -> ::c_int;
+    pub fn lsetxattr(
+        path: *const ::c_char,
+        name: *const ::c_char,
+        value: *const ::c_void,
+        size: ::size_t,
+    ) -> ::c_int;
+    pub fn fsetxattr(
+        filedes: ::c_int,
+        name: *const ::c_char,
+        value: *const ::c_void,
+        size: ::size_t,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn listxattr(path: *const ::c_char, list: *mut ::c_char, size: ::size_t) -> ::ssize_t;
+    pub fn llistxattr(path: *const ::c_char, list: *mut ::c_char, size: ::size_t) -> ::ssize_t;
+    pub fn flistxattr(filedes: ::c_int, list: *mut ::c_char, size: ::size_t) -> ::ssize_t;
+    pub fn removexattr(path: *const ::c_char, name: *const ::c_char) -> ::c_int;
+    pub fn lremovexattr(path: *const ::c_char, name: *const ::c_char) -> ::c_int;
+    pub fn fremovexattr(fd: ::c_int, path: *const ::c_char, name: *const ::c_char) -> ::c_int;
+
+    pub fn string_to_flags(
+        string_p: *mut *mut ::c_char,
+        setp: *mut ::c_ulong,
+        clrp: *mut ::c_ulong,
+    ) -> ::c_int;
+    pub fn flags_to_string(flags: ::c_ulong, def: *const ::c_char) -> ::c_int;
+
+    pub fn kinfo_getvmmap(pid: ::pid_t, cntp: *mut ::size_t) -> *mut kinfo_vmentry;
+}
+
+#[link(name = "execinfo")]
+extern "C" {
+    pub fn backtrace(addrlist: *mut *mut ::c_void, len: ::size_t) -> ::size_t;
+    pub fn backtrace_symbols(addrlist: *const *mut ::c_void, len: ::size_t) -> *mut *mut ::c_char;
+    pub fn backtrace_symbols_fd(
+        addrlist: *const *mut ::c_void,
+        len: ::size_t,
+        fd: ::c_int,
+    ) -> ::c_int;
+    pub fn backtrace_symbols_fmt(
+        addrlist: *const *mut ::c_void,
+        len: ::size_t,
+        fmt: *const ::c_char,
+    ) -> *mut *mut ::c_char;
+    pub fn backtrace_symbols_fd_fmt(
+        addrlist: *const *mut ::c_void,
+        len: ::size_t,
+        fd: ::c_int,
+        fmt: *const ::c_char,
+    ) -> ::c_int;
+}
+
+cfg_if! {
+    if #[cfg(libc_union)] {
+        extern {
+            // these functions use statvfs:
+            pub fn getmntinfo(mntbufp: *mut *mut ::statvfs, flags: ::c_int) -> ::c_int;
+            pub fn getvfsstat(buf: *mut statvfs, bufsize: ::size_t, flags: ::c_int) -> ::c_int;
+        }
+    }
+}
+
+cfg_if! {
+    if #[cfg(target_arch = "aarch64")] {
+        mod aarch64;
+        pub use self::aarch64::*;
+    } else if #[cfg(target_arch = "arm")] {
+        mod arm;
+        pub use self::arm::*;
+    } else if #[cfg(target_arch = "powerpc")] {
+        mod powerpc;
+        pub use self::powerpc::*;
+    } else if #[cfg(target_arch = "sparc64")] {
+        mod sparc64;
+        pub use self::sparc64::*;
+    } else if #[cfg(target_arch = "x86_64")] {
+        mod x86_64;
+        pub use self::x86_64::*;
+    } else if #[cfg(target_arch = "x86")] {
+        mod x86;
+        pub use self::x86::*;
+    } else if #[cfg(target_arch = "mips")] {
+        mod mips;
+        pub use self::mips::*;
+    } else if #[cfg(target_arch = "riscv64")] {
+        mod riscv64;
+        pub use self::riscv64::*;
+    } else {
+        // Unknown target_arch
+    }
+}
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/powerpc.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/powerpc.rs
new file mode 100644
index 0000000..e12fd5e
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/powerpc.rs
@@ -0,0 +1,21 @@
+use PT_FIRSTMACH;
+
+pub type c_long = i32;
+pub type c_ulong = u32;
+pub type c_char = u8;
+pub type __cpu_simple_lock_nv_t = ::c_int;
+
+// should be pub(crate), but that requires Rust 1.18.0
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_double>() - 1;
+    } else {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = 8 - 1;
+    }
+}
+
+pub const PT_STEP: ::c_int = PT_FIRSTMACH + 0;
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/riscv64.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/riscv64.rs
new file mode 100644
index 0000000..bc09149
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/riscv64.rs
@@ -0,0 +1,21 @@
+use PT_FIRSTMACH;
+
+pub type c_long = i64;
+pub type c_ulong = u64;
+pub type c_char = u8;
+pub type __cpu_simple_lock_nv_t = ::c_int;
+
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_long>() - 1;
+    } else {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = 8 - 1;
+    }
+}
+
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 0;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 3;
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/sparc64.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/sparc64.rs
new file mode 100644
index 0000000..6a86759
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/sparc64.rs
@@ -0,0 +1,8 @@
+pub type c_long = i64;
+pub type c_ulong = u64;
+pub type c_char = i8;
+pub type __cpu_simple_lock_nv_t = ::c_uchar;
+
+// should be pub(crate), but that requires Rust 1.18.0
+#[doc(hidden)]
+pub const _ALIGNBYTES: usize = 0xf;
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/x86.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/x86.rs
new file mode 100644
index 0000000..daa89a1
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/x86.rs
@@ -0,0 +1,15 @@
+pub type c_long = i32;
+pub type c_ulong = u32;
+pub type c_char = i8;
+pub type __cpu_simple_lock_nv_t = ::c_uchar;
+
+// should be pub(crate), but that requires Rust 1.18.0
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_int>() - 1;
+    } else {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = 4 - 1;
+    }
+}
diff --git a/vendor/libc/src/unix/bsd/netbsdlike/netbsd/x86_64.rs b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/x86_64.rs
new file mode 100644
index 0000000..ba25907
--- /dev/null
+++ b/vendor/libc/src/unix/bsd/netbsdlike/netbsd/x86_64.rs
@@ -0,0 +1,67 @@
+use PT_FIRSTMACH;
+
+pub type c_long = i64;
+pub type c_ulong = u64;
+pub type c_char = i8;
+pub type c___greg_t = u64;
+pub type __cpu_simple_lock_nv_t = ::c_uchar;
+
+s! {
+    pub struct mcontext_t {
+        pub __gregs: [c___greg_t; 26],
+        pub _mc_tlsbase: c___greg_t,
+        pub __fpregs: [[::c_char;32]; 16],
+    }
+
+    pub struct ucontext_t {
+        pub uc_flags: ::c_uint,
+        pub uc_link: *mut ::ucontext_t,
+        pub uc_sigmask: ::sigset_t,
+        pub uc_stack: ::stack_t,
+        pub uc_mcontext: ::mcontext_t,
+    }
+}
+
+// should be pub(crate), but that requires Rust 1.18.0
+cfg_if! {
+    if #[cfg(libc_const_size_of)] {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = ::mem::size_of::<::c_long>() - 1;
+    } else {
+        #[doc(hidden)]
+        pub const _ALIGNBYTES: usize = 8 - 1;
+    }
+}
+
+pub const PT_STEP: ::c_int = PT_FIRSTMACH + 0;
+pub const PT_GETREGS: ::c_int = PT_FIRSTMACH + 1;
+pub const PT_SETREGS: ::c_int = PT_FIRSTMACH + 2;
+pub const PT_GETFPREGS: ::c_int = PT_FIRSTMACH + 3;
+pub const PT_SETFPREGS: ::c_int = PT_FIRSTMACH + 4;
+
+pub const _REG_RDI: ::c_int = 0;
+pub const _REG_RSI: ::c_int = 1;
+pub const _REG_RDX: ::c_int = 2;
+pub const _REG_RCX: ::c_int = 3;
+pub const _REG_R8: ::c_int = 4;
+pub const _REG_R9: ::c_int = 5;
+pub const _REG_R10: ::c_int = 6;
+pub const _REG_R11: ::c_int = 7;
+pub const _REG_R12: ::c_int = 8;
+pub const _REG_R13: ::c_int = 9;
+pub const _REG_R14: ::c_int = 10;
+pub const _REG_R15: ::c_int = 11;
+pub const _REG_RBP: ::c_int = 12;
+pub const _REG_RBX: ::c_int = 13;
+pub const _REG_RAX: ::c_int = 14;
+pub const _REG_GS: ::c_int = 15;
+pub const _REG_FS: ::c_int = 16;
+pub const _REG_ES: ::c_int = 17;
+pub const _REG_DS: ::c_int = 18;
+pub const _REG_TRAPNO: ::c_int = 19;
+pub const _REG_ERR: ::c_int = 20;
+pub const _REG_RIP: ::c_int = 21;
+pub const _REG_CS: ::c_int = 22;
+pub const _REG_RFLAGS: ::c_int = 23;
+pub const _REG_RSP: ::c_int = 24;
+pub const _REG_SS: ::c_int = 25;