1 /* Default definition for ARGP_PROGRAM_VERSION_HOOK.
2    Copyright (C) 1996-2022 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4    Written by Miles Bader <miles@gnu.ai.mit.edu>.
5 
6    The GNU C Library is free software; you can redistribute it and/or
7    modify it under the terms of the GNU Lesser General Public
8    License as published by the Free Software Foundation; either
9    version 2.1 of the License, or (at your option) any later version.
10 
11    The GNU C Library is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14    Lesser General Public License for more details.
15 
16    You should have received a copy of the GNU Lesser General Public
17    License along with the GNU C Library; if not, see
18    <https://www.gnu.org/licenses/>.  */
19 
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23 
24 #include "argp.h"
25 
26 /* If set by the user program to a non-zero value, then a default option
27    --version is added (unless the ARGP_NO_HELP flag is used), which calls
28    this function with a stream to print the version to and a pointer to the
29    current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
30    used).  This variable takes precedent over ARGP_PROGRAM_VERSION.  */
31 void (*argp_program_version_hook) (FILE *stream, struct argp_state *state);
32