1  /* Argp example #1 -- a minimal program using argp
       2     Copyright (C) 1991-2023 Free Software Foundation, Inc.
       3  
       4     This program is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU General Public License
       6     as published by the Free Software Foundation; either version 2
       7     of the License, or (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program; if not, see <https://www.gnu.org/licenses/>.
      16  */
      17  
      18  /* This is (probably) the smallest possible program that
      19     uses argp.  It won't do much except give an error
      20     messages and exit when there are any arguments, and print
      21     a (rather pointless) messages for --help.  */
      22  
      23  #include <stdlib.h>
      24  #include <argp.h>
      25  
      26  int
      27  main (int argc, char **argv)
      28  {
      29    argp_parse (0, argc, argv, 0, 0, 0);
      30    exit (0);
      31  }