2015-02-19 13:34:24 +00:00
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/* $NetBSD: getopt.h,v 1.9 2014/09/11 21:48:34 jperkin Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Dieter Baron and Thomas Klausner.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _GETOPT_H_
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#define _GETOPT_H_
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#include <unistd.h>
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/*
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* Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions
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*/
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#define no_argument 0
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#define required_argument 1
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#define optional_argument 2
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struct option {
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/* name of long option */
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const char *name;
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/*
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* one of no_argument, required_argument, and optional_argument:
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* whether option takes an argument
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*/
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int has_arg;
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/* if not NULL, set *flag to val when option found */
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int *flag;
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/* if flag not NULL, value to set *flag to; else return value */
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int val;
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};
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2014-02-03 20:58:23 +00:00
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2015-02-19 13:34:24 +00:00
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#ifdef __cplusplus
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2014-02-03 20:58:23 +00:00
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extern "C" {
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#endif
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2015-02-19 13:34:24 +00:00
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int getopt_long(int, char * const *, const char *,
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const struct option *, int *);
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2014-02-03 20:58:23 +00:00
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2015-02-19 13:34:24 +00:00
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/* On some platforms, this is in libc, but not in a system header */
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extern int optreset;
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#if defined(__sgi) || defined(__sun) || defined(__GLIBC__)
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2014-02-03 20:58:23 +00:00
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extern char *optarg;
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extern int opterr;
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2015-02-19 13:34:24 +00:00
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extern int optind;
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2014-02-03 20:58:23 +00:00
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extern int optopt;
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2015-02-19 13:34:24 +00:00
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#endif
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2014-02-03 20:58:23 +00:00
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2015-02-19 13:34:24 +00:00
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#ifdef __cplusplus
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2014-02-03 20:58:23 +00:00
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};
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#endif
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2015-02-19 13:34:24 +00:00
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#endif /* !_GETOPT_H_ */
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