208         pub fd: c_int,
1217     pub fn fdopen(fd: c_int, mode: *const c_char) -> *mut crate::FILE;  in fdopen()
1221     pub fn fchown(fd: c_int, owner: crate::uid_t, group: crate::gid_t) -> c_int;  in fchown()
1237     pub fn ttyname(fd: c_int) -> *mut c_char;  in ttyname()
1250         fd: c_int,  in mmap()
1274     pub fn futimens(fd: c_int, times: *const crate::timespec) -> c_int;  in futimens()
1431     pub fn ftruncate(fd: c_int, length: off_t) -> c_int;  in ftruncate()
1592     pub fn bind(fd: c_int, addr: *const sockaddr, len: socklen_t) -> c_int;  in bind()
1666     pub fn ioctl(fd: c_int, request: c_int, ...) -> c_int;  in ioctl()
1669     pub fn fcntl(fd: c_int, cmd: c_int, ...) -> c_int;  in fcntl()
1677     pub fn close(fd: c_int) -> c_int;  in close()
1681     pub fn read(fd: c_int, buf: *mut c_void, count: size_t) -> ssize_t;  in read()
1685     pub fn write(fd: c_int, buf: *const c_void, count: size_t) -> ssize_t;  in write()
1689     pub fn isatty(fd: c_int) -> c_int;  in isatty()
1709     pub fn lseek(fd: c_int, offset: off_t, whence: c_int) -> off_t;  in lseek()
1779     pub fn fsync(fd: c_int) -> c_int;  in fsync()
1886     pub fn writev(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;  in writev()
1887     pub fn readv(fd: c_int, iov: *const crate::iovec, iovcnt: c_int) -> ssize_t;  in readv()