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25.3.11.1 A Minimal Program Using Argp

This is perhaps the smallest program possible that uses argp. It won’t do much except give an error messages and exit when there are any arguments, and prints a rather pointless message for ‘--help’.

/* This is (probably) the smallest possible program that
   uses argp.  It won’t do much except give an error
   messages and exit when there are any arguments, and print
   a (rather pointless) messages for –help. */

#include <stdlib.h>
#include <argp.h>

int
main (int argc, char **argv)
{
  argp_parse (0, argc, argv, 0, 0, 0);
  exit (0);
}