argp-pvh.c

机器学习作者tom mitchell的书上代码

/* Default definition for ARGP_PROGRAM_VERSION_HOOK.
   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Written by Miles Bader <[e-mail]>.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#ifdef HAVE_CONFIG_H
#include <config.h>
#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) = 0;