msg.Iovlen = 1
	if n, err = recvmsg(fd, &msg, flags); err != nil {
		return
	}
	oobn = int(msg.Accrightslen)
	return
}

//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.__xnet_sendmsg

func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
	var msg Msghdr
	msg.Name = (*byte)(unsafe.Pointer(ptr))
	msg.Namelen = uint32(salen)
	var iov Iovec

	}
	if n, err = recvmsg(fd, &msg, flags); n == -1 {
		return
	}
	oobn = int(msg.Accrightslen)
	return
}

//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = libsocket.__xnet_sendmsg

func sendmsgN(fd int, iov []Iovec, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) {
	var msg Msghdr
	msg.Name = (*byte)(unsafe.Pointer(ptr))
	msg.Namelen = uint32(salen)

//go:cgo_import_dynamic libc_setgroups setgroups "libc.so"
//go:cgo_import_dynamic libc_fcntl fcntl "libc.so"
//go:cgo_import_dynamic libc_accept accept "libsocket.so"
//go:cgo_import_dynamic libc___xnet_sendmsg __xnet_sendmsg "libsocket.so"
//go:cgo_import_dynamic libc_Access access "libc.so"
//go:cgo_import_dynamic libc_Adjtime adjtime "libc.so"
//go:cgo_import_dynamic libc_Chdir chdir "libc.so"
//go:cgo_import_dynamic libc_Chmod chmod "libc.so"

//go:cgo_import_dynamic libc_futimesat futimesat "libc.so"
//go:cgo_import_dynamic libc_accept accept "libsocket.so"
//go:cgo_import_dynamic libc___xnet_recvmsg __xnet_recvmsg "libsocket.so"
//go:cgo_import_dynamic libc___xnet_sendmsg __xnet_sendmsg "libsocket.so"
//go:cgo_import_dynamic libc_acct acct "libc.so"
//go:cgo_import_dynamic libc___makedev __makedev "libc.so"
//go:cgo_import_dynamic libc___major __major "libc.so"