/* Reading symbolic links without size limitation.
  Copyright (C) 2001, 2003 Free Software Foundation, Inc.

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2, or (at your option)
  any later version.

  This program 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software Foundation,
  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

/* Call readlink to get the symbolic link value of FILENAME.
  Return a pointer to that NUL-terminated string in malloc'd storage.
  If readlink fails, return NULL and set errno.  */
extern char *xreadlink (char const *filename);