lib/findprog.h

   1 /* Locating a program in PATH.
   2    Copyright (C) 2001-2003, 2009-2017 Free Software Foundation, Inc.
   3    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23
  24 /* Look up a program in the PATH.
  25    Attempt to determine the pathname that would be called by execlp/execvp
  26    of PROGNAME.  If successful, return a pathname containing a slash
  27    (either absolute or relative to the current directory).  Otherwise,
  28    return PROGNAME unmodified.
  29    Because of the latter case, callers should use execlp/execvp, not
  30    execl/execv on the returned pathname.
  31    The returned string is freshly malloc()ed if it is != PROGNAME.  */
  32 extern const char *find_in_path (const char *progname);
  33
  34
  35 #ifdef __cplusplus
  36 }
  37 #endif