/* Copyright (C) 1994, 1997 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/term.h>#include <hurd/fd.h>/* Return the pathname of the terminal FD is open on, or NULL on errors.   The returned storage is good only until the next call to this function.  */char *ttyname (int fd){  error_t err;  static char nodename[1024];	/* XXX */  nodename[0] = '\0';  if (err = HURD_DPORT_USE (fd, __term_get_nodename (port, nodename)))    return __hurd_dfail (fd, err), NULL;  return nodename;}