xref: /netbsd/usr.bin/getopt/getopt.c (revision bf9ec67e)
1 /*	$NetBSD: getopt.c,v 1.6 2000/07/03 02:51:18 matt Exp $	*/
2 
3 #include <sys/cdefs.h>
4 #ifndef lint
5 __RCSID("$NetBSD: getopt.c,v 1.6 2000/07/03 02:51:18 matt Exp $");
6 #endif /* not lint */
7 
8 #include <errno.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <unistd.h>
12 
13 int	main __P((int, char **));
14 
15 int
16 main(argc, argv)
17 	int argc;
18 	char *argv[];
19 {
20 	int c;
21 	int status = 0;
22 
23 	optind = 2;	/* Past the program name and the option letters. */
24 	while ((c = getopt(argc, argv, argv[1])) != -1)
25 		switch (c) {
26 		case '?':
27 			status = 1;	/* getopt routine gave message */
28 			break;
29 		default:
30 			if (optarg != NULL)
31 				printf(" -%c %s", c, optarg);
32 			else
33 				printf(" -%c", c);
34 			break;
35 		}
36 	printf(" --");
37 	for (; optind < argc; optind++)
38 		printf(" %s", argv[optind]);
39 	printf("\n");
40 	exit(status);
41 }
42