621         pub flags: crate::__u8,
3576         flags: c_int,  in sendto()
3609     pub fn openat(dirfd: c_int, pathname: *const c_char, flags: c_int, ...) -> c_int;  in openat()
3610     pub fn fchmodat(dirfd: c_int, pathname: *const c_char, mode: mode_t, flags: c_int) -> c_int;  in fchmodat()
3617         flags: c_int,  in fchownat()
3619     pub fn fstatat(dirfd: c_int, pathname: *const c_char, buf: *mut stat, flags: c_int) -> c_int;  in fstatat()
3625         flags: c_int,  in linkat()
3641     pub fn unlinkat(dirfd: c_int, pathname: *const c_char, flags: c_int) -> c_int;  in unlinkat()
3713     pub fn mlockall(flags: c_int) -> c_int;  in mlockall()
3720         flags: c_int,  in mmap()
3852     pub fn send(socket: c_int, buf: *const c_void, len: size_t, flags: c_int) -> ssize_t;  in send()
3853     pub fn recv(socket: c_int, buf: *mut c_void, len: size_t, flags: c_int) -> ssize_t;  in recv()
3927     pub fn posix_openpt(flags: c_int) -> c_int;  in posix_openpt()
3945     pub fn pipe2(fds: *mut c_int, flags: c_int) -> c_int;  in pipe2()
4056     pub fn signalfd(fd: c_int, mask: *const crate::sigset_t, flags: c_int) -> c_int;  in signalfd()
4057     pub fn timerfd_create(clockid: c_int, flags: c_int) -> c_int;  in timerfd_create()
4061         flags: c_int,  in timerfd_settime()
4068     pub fn dup3(oldfd: c_int, newfd: c_int, flags: c_int) -> c_int;  in dup3()
4069     pub fn mkostemp(template: *mut c_char, flags: c_int) -> c_int;  in mkostemp()
4070     pub fn mkostemps(template: *mut c_char, suffixlen: c_int, flags: c_int) -> c_int;  in mkostemps()
4085         flags: c_int,  in getnameinfo()
4095     pub fn sync_file_range(fd: c_int, offset: off64_t, nbytes: off64_t, flags: c_uint) -> c_int;  in sync_file_range()
4101         flags: c_int,  in glob()
4116     pub fn msync(addr: *mut c_void, len: size_t, flags: c_int) -> c_int;  in msync()
4122         flags: c_int,  in recvfrom()
4139     pub fn sendmsg(fd: c_int, msg: *const crate::msghdr, flags: c_int) -> ssize_t;  in sendmsg()
4140     pub fn recvmsg(fd: c_int, msg: *mut crate::msghdr, flags: c_int) -> ssize_t;  in recvmsg()
4144     pub fn sendmmsg(sockfd: c_int, msgvec: *mut mmsghdr, vlen: c_uint, flags: c_int) -> c_int;  in sendmmsg()
4149         flags: c_int,  in recvmmsg()
4166     pub fn tee(fd_in: c_int, fd_out: c_int, len: size_t, flags: c_uint) -> ssize_t;  in tee()
4174         flags: c_uint,  in splice()
4176     pub fn eventfd(init: c_uint, flags: c_int) -> c_int;  in eventfd()
4182     pub fn vmsplice(fd: c_int, iov: *const crate::iovec, nr_segs: size_t, flags: c_uint)  in vmsplice()
4188         flags: c_ulong,  in mount()
4206         flags: c_int,  in clone()
4213         flags: c_int,  in clock_nanosleep()
4224     pub fn umount2(target: *const c_char, flags: c_int) -> c_int;  in umount2()
4290     pub fn faccessat(dirfd: c_int, pathname: *const c_char, mode: c_int, flags: c_int) -> c_int;  in faccessat()