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| 1 | 13 | up20180614 | /* $NetBSD: getopt.h,v 1.11 2008/04/28 20:22:54 martin Exp $ */
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| 2 | |||
| 3 | /*-
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| 4 | * Copyright (c) 2000 The NetBSD Foundation, Inc.
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| 5 | * All rights reserved.
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| 6 | *
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| 7 | * This code is derived from software contributed to The NetBSD Foundation
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| 8 | * by Dieter Baron and Thomas Klausner.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | *
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 29 | * POSSIBILITY OF SUCH DAMAGE.
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| 30 | */
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| 31 | |||
| 32 | #ifndef _GETOPT_H_
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| 33 | #define _GETOPT_H_
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| 34 | |||
| 35 | #include <sys/cdefs.h> |
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| 36 | #include <unistd.h> |
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| 37 | |||
| 38 | /*
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| 39 | * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions
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| 40 | */
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| 41 | #define no_argument 0 |
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| 42 | #define required_argument 1 |
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| 43 | #define optional_argument 2 |
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| 44 | |||
| 45 | struct option {
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| 46 | /* name of long option */
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| 47 | const char *name; |
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| 48 | /*
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| 49 | * one of no_argument, required_argument, and optional_argument:
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| 50 | * whether option takes an argument
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| 51 | */
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| 52 | int has_arg;
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| 53 | /* if not NULL, set *flag to val when option found */
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| 54 | int *flag;
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| 55 | /* if flag not NULL, value to set *flag to; else return value */
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| 56 | int val;
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| 57 | }; |
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| 58 | |||
| 59 | __BEGIN_DECLS |
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| 60 | int getopt_long(int, char * const *, const char *, |
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| 61 | const struct option *, int *); |
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| 62 | __END_DECLS |
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| 63 | |||
| 64 | #endif /* !_GETOPT_H_ */ |