utils

getopt_long_test.c (676B)

// Collection of Unix tools, comparable to coreutils
// SPDX-FileCopyrightText: 2017-2023 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
#define _GNU_SOURCE
#include <getopt.h> // getopt_long
#include <unistd.h> // opt*
int
main(int argc, char *argv[])
{
	static struct option longopts[] = {{"unset", required_argument, NULL, 'u'}, {NULL, 0, NULL, 0}};
	int c                           = 0;
	while((c = getopt_long(argc, argv, "+:iu:", longopts, NULL)) != -1)
	{
		switch(c)
		{
		case 'u':
			// option processing would go here
			break;
		default:
			return 1;
		}
	}
	argc -= optind;
	argv += optind;
}