/* Default definition for ARGP_PROGRAM_VERSION_HOOK. Copyright (C) 1996-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Miles Bader . This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifdef HAVE_CONFIG_H # include #endif #include "argp.h" /* If set by the user program to a non-zero value, then a default option --version is added (unless the ARGP_NO_HELP flag is used), which calls this function with a stream to print the version to and a pointer to the current parsing state, and then exits (unless the ARGP_NO_EXIT flag is used). This variable takes precedent over ARGP_PROGRAM_VERSION. */ void (*argp_program_version_hook) (FILE *stream, struct argp_state *state) = NULL;