text: /* Determine a temporary directory.
     Copyright (C) 2001-2002, 2009-2014 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */
  
  #include <stdbool.h>
  #include <stddef.h>
  
  /* Path search algorithm, for tmpnam, tmpfile, etc.  If DIR is
     non-null and exists, uses it; otherwise uses the first of $TMPDIR,
     P_tmpdir, /tmp that exists.  Copies into TMPL a template suitable
     for use with mk[s]temp.  Will fail (-1) if DIR is non-null and
     doesn't exist, none of the searched dirs exists, or there's not
     enough space in TMPL. */
  extern int path_search (char *tmpl, size_t tmpl_len, const char *dir, const char *pfx, bool try_tmpdir);
  