/* Copyright (C) 1991, 92, 93, 94, 96, 97 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  */#include <errno.h>#include <unistd.h>#include <hurd.h>#include <hurd/fd.h>/* Make all changes done to FD's file data actually appear on disk.  */intfdatasync (int fd){  error_t err = HURD_DPORT_USE (fd, __file_sync (port, 1, 1));  if (err)    return __hurd_dfail (fd, err);  return 0;}