/* $OpenBSD: getopt.c,v 1.10 2015/10/09 01:37:07 deraadt Exp $ */ /* * This material, written by Henry Spencer, was released by him * into the public domain and is thus not subject to any copyright. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <err.h> int main(int argc, char *argv[]) { extern int optind; extern char *optarg; int c; int status = 0; if (pledge("stdio", NULL) == -1) err(1, "pledge"); optind = 2; /* Past the program name and the option letters. */ while ((c = getopt(argc, argv, argv[1])) != -1) switch (c) { case '?': status = 1; /* getopt routine gave message */ break; default: if (optarg != NULL) printf(" -%c %s", c, optarg); else printf(" -%c", c); break; } printf(" --"); for (; optind < argc; optind++) printf(" %s", argv[optind]); printf("\n"); exit(status); }