1 /* Default definition for ARGP_PROGRAM_VERSION_HOOK.
2 Copyright (C) 1996, 1997, 1999, 2004 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Miles Bader <miles@gnu.ai.mit.edu>.
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program 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
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 /* If set by the user program to a non-zero value, then a default option
26 --version is added (unless the ARGP_NO_HELP flag is used), which calls
27 this function with a stream to print the version to and a pointer to the
28 current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
29 used). This variable takes precedent over ARGP_PROGRAM_VERSION. */
30 void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = NULL;