Next: Argp Example 2, Up: Argp Examples [Contents][Index]
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);
}