1 /* Locating a program in PATH.
2 Copyright (C) 2001-2003 Free Software Foundation, Inc.
3 Written by Bruno Haible <haible@clisp.cons.org>, 2001.
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 2, or (at your option)
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.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19 /* Look up a program in the PATH.
20 Attempt to determine the pathname that would be called by execlp/execvp
21 of PROGNAME. If successful, return a pathname containing a slash
22 (either absolute or relative to the current directory). Otherwise,
23 return PROGNAME unmodified.
24 Because of the latter case, callers should use execlp/execvp, not
25 execl/execv on the returned pathname.
26 The returned string is freshly malloc()ed if it is != PROGNAME. */
27 extern const char *find_in_path (const char *progname);