1/* Default definition for ARGP_PROGRAM_VERSION_HOOK.
2 Copyright (C) 1996-2020 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. */
31void (*argp_program_version_hook) (FILE *stream, struct argp_state *state);
32