ref: 57a00f14d6997e0dbbf8070ecdc44f55f7ac192c
dir: /tools/getopt.h/
/*
* 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
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __plan9__
typedef ulong size_t;
typedef Rune wchar_t;
enum { MB_LEN_MAX = 4 };
#define mblen(r,n) (utfnlen(r, n))
#define mbtowc(r,s,n) (chartorune(r,s))
#endif
extern char *optarg;
extern int optind, musl_opterr, musl_optopt, musl_optreset;
struct option {
char const *name;
int has_arg;
int *flag;
int val;
};
int getopt_long(int argc, char **argv, char const *optstring,
const struct option *longopts, int *idx, int longonly);
int getopt_long_only(int argc, char **argv, char const *optstring,
const struct option *longopts, int *idx);
#define no_argument 0
#define required_argument 1
#define optional_argument 2
#ifdef __cplusplus
} // extern "C"
#endif
#endif