shithub: rgbds

ref: 5ad7a9375076f1d352a9825379e0abee43c2fdfc
dir: /include/extern/getopt.h/

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/*
 * Copyright © 2005-2020 Rich Felker, et al.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/* This implementation was taken from musl and modified for RGBDS */

#ifndef RGBDS_EXTERN_GETOPT_H
#define RGBDS_EXTERN_GETOPT_H

extern char *optarg;
extern int optind, opterr, optopt, optreset;

struct option {
	const char *name;
	int has_arg;
	int *flag;
	int val;
};

int musl_getopt_long_only(int, char **, const char *, const struct option *, int *);

#define no_argument        0
#define required_argument  1
#define optional_argument  2

#endif