xref: /freebsd/usr.bin/getopt/getopt.c (revision b52b9d56d4e96089873a75f9e29062eec19fabba)
1 #include <sys/cdefs.h>
2 __FBSDID("$FreeBSD$");
3 
4 #include <stdio.h>
5 #include <stdlib.h>
6 #include <unistd.h>
7 
8 int
9 main(argc, argv)
10 int argc;
11 char *argv[];
12 {
13 	int c;
14 	int status = 0;
15 
16 	optind = 2;	/* Past the program name and the option letters. */
17 	while ((c = getopt(argc, argv, argv[1])) != -1)
18 		switch (c) {
19 		case '?':
20 			status = 1;	/* getopt routine gave message */
21 			break;
22 		default:
23 			if (optarg != NULL)
24 				printf(" -%c %s", c, optarg);
25 			else
26 				printf(" -%c", c);
27 			break;
28 		}
29 	printf(" --");
30 	for (; optind < argc; optind++)
31 		printf(" %s", argv[optind]);
32 	printf("\n");
33 	return status;
34 }
35