proxmark3/client/deps/cliparser/getopt.h

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/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */
/* $FreeBSD$ */
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/*-
* SPDX-License-Identifier: BSD-2-Clause-NetBSD
*
* 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_
#include <sys/cdefs.h>
/*
* GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension.
* getopt() is declared here too for GNU programs.
*/
#define no_argument 0
#define required_argument 1
#define optional_argument 2
struct option {
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/* 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;
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};
__BEGIN_DECLS
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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 *);
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#ifndef _GETOPT_DECLARED
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#define _GETOPT_DECLARED
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int getopt(int, char *const [], const char *);
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extern const char *optarg; /* getopt(3) external variables */
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extern int optind, opterr, optopt;
#endif
#ifndef _OPTRESET_DECLARED
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#define _OPTRESET_DECLARED
extern int optreset; /* getopt(3) external variable */
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#endif
__END_DECLS
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#endif /* !_GETOPT_H_ */