/* $OpenBSD: getopt.h,v 1.2 2008/06/26 05:42:04 ray Exp $ */ | |
/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ | |
/*- | |
* Copyright (c) 2000 The NetBSD Foundation, Inc. | |
* All rights reserved. | |
* | |
* This code is derived from software contributed to The NetBSD Foundation | |
* by Dieter Baron and Thomas Klausner. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | |
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
* POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#ifndef _GETOPT_H_ | |
#define _GETOPT_H_ | |
/* | |
* GNU-like getopt_long() and 4.4BSD getsubopt()/optreset extensions | |
*/ | |
#define no_argument 0 | |
#define required_argument 1 | |
#define optional_argument 2 | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
struct option { | |
/* name of long option */ | |
const char *name; | |
/* | |
* one of no_argument, required_argument, and optional_argument: | |
* whether option takes an argument | |
*/ | |
int has_arg; | |
/* if not NULL, set *flag to val when option found */ | |
int *flag; | |
/* if flag not NULL, value to set *flag to; else return value */ | |
int val; | |
}; | |
int getopt_long(int, char * const *, const char *, | |
const struct option *, int *); | |
int getopt_long_only(int, char * const *, const char *, | |
const struct option *, int *); | |
#ifndef _GETOPT_DEFINED_ | |
#define _GETOPT_DEFINED_ | |
int getopt(int, char * const *, const char *); | |
int getsubopt(char **, char * const *, char **); | |
extern char *optarg; /* getopt(3) external variables */ | |
extern int opterr; | |
extern int optind; | |
extern int optopt; | |
extern int optreset; | |
extern char *suboptarg; /* getsubopt(3) external variable */ | |
#endif | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* !_GETOPT_H_ */ |