| 1 | /* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */
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| 2 | /* $FreeBSD: src/include/getopt.h,v 1.1 2002/09/29 04:14:30 eric Exp $ */
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| 3 |
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| 4 | /*-
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| 5 | * Copyright (c) 2000 The NetBSD Foundation, Inc.
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| 6 | * All rights reserved.
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| 7 | *
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| 8 | * This code is derived from software contributed to The NetBSD Foundation
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| 9 | * by Dieter Baron and Thomas Klausner.
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| 10 | *
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| 11 | * Redistribution and use in source and binary forms, with or without
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| 12 | * modification, are permitted provided that the following conditions
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| 13 | * are met:
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| 14 | * 1. Redistributions of source code must retain the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer.
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright
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| 17 | * notice, this list of conditions and the following disclaimer in the
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| 18 | * documentation and/or other materials provided with the distribution.
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| 19 | * 3. All advertising materials mentioning features or use of this software
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| 20 | * must display the following acknowledgement:
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| 21 | * This product includes software developed by the NetBSD
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| 22 | * Foundation, Inc. and its contributors.
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| 23 | * 4. Neither the name of The NetBSD Foundation nor the names of its
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| 24 | * contributors may be used to endorse or promote products derived
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| 25 | * from this software without specific prior written permission.
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| 26 | *
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| 27 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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| 28 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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| 29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 30 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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| 31 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 32 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 33 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 34 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 35 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 36 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 37 | * POSSIBILITY OF SUCH DAMAGE.
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| 38 | */
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| 39 |
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| 40 | #ifndef _GETOPT_H_
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| 41 | #define _GETOPT_H_
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| 42 |
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| 43 | #include <sys/cdefs.h>
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| 44 | #include <unistd.h>
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| 45 |
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| 46 | /*
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| 47 | * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions
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| 48 | */
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| 49 | #if !defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)
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| 50 | #define no_argument 0
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| 51 | #define required_argument 1
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| 52 | #define optional_argument 2
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| 53 |
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| 54 | struct option {
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| 55 | /* name of long option */
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| 56 | const char *name;
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| 57 | /*
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| 58 | * one of no_argument, required_argument, and optional_argument:
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| 59 | * whether option takes an argument
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| 60 | */
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| 61 | int has_arg;
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| 62 | /* if not NULL, set *flag to val when option found */
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| 63 | int *flag;
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| 64 | /* if flag not NULL, value to set *flag to; else return value */
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| 65 | int val;
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| 66 | };
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| 67 |
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| 68 | __BEGIN_DECLS
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| 69 | int getopt_long __P((int, char * const *, const char *,
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| 70 | const struct option *, int *));
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| 71 | __END_DECLS
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| 72 | #endif
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| 73 |
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| 74 | #endif /* !_GETOPT_H_ */
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