| 1 | /* getopt.h,v 1.6 2004/09/14 22:27:33 bird Exp */
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| 2 | /** @file
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| 3 | * FreeBSD 5.2
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| 4 | * @changed bird: Added one GNU api from libiberty.
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| 5 | */
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| 6 |
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| 7 | /* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */
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| 8 | /* $FreeBSD: src/include/getopt.h,v 1.6 2004/02/24 08:09:20 ache Exp $ */
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| 9 |
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| 10 | /*-
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| 11 | * Copyright (c) 2000 The NetBSD Foundation, Inc.
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| 12 | * All rights reserved.
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| 13 | *
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| 14 | * This code is derived from software contributed to The NetBSD Foundation
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| 15 | * by Dieter Baron and Thomas Klausner.
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| 16 | *
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| 17 | * Redistribution and use in source and binary forms, with or without
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| 18 | * modification, are permitted provided that the following conditions
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| 19 | * are met:
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| 20 | * 1. Redistributions of source code must retain the above copyright
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| 21 | * notice, this list of conditions and the following disclaimer.
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| 22 | * 2. Redistributions in binary form must reproduce the above copyright
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| 23 | * notice, this list of conditions and the following disclaimer in the
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| 24 | * documentation and/or other materials provided with the distribution.
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| 25 | * 3. All advertising materials mentioning features or use of this software
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| 26 | * must display the following acknowledgement:
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| 27 | * This product includes software developed by the NetBSD
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| 28 | * Foundation, Inc. and its contributors.
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| 29 | * 4. Neither the name of The NetBSD Foundation nor the names of its
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| 30 | * contributors may be used to endorse or promote products derived
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| 31 | * from this software without specific prior written permission.
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| 32 | *
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| 33 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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| 34 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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| 35 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 36 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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| 37 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 38 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 39 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 40 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 41 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 42 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 43 | * POSSIBILITY OF SUCH DAMAGE.
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| 44 | */
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| 45 |
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| 46 | #ifndef _GETOPT_H_
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| 47 | #define _GETOPT_H_
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| 48 |
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| 49 | #include <sys/cdefs.h>
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| 50 |
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| 51 | /*
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| 52 | * GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension.
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| 53 | * getopt() is declared here too for GNU programs.
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| 54 | */
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| 55 | #define no_argument 0
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| 56 | #define required_argument 1
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| 57 | #define optional_argument 2
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| 58 |
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| 59 | struct option {
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| 60 | /* name of long option */
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| 61 | const char *name;
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| 62 | /*
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| 63 | * one of no_argument, required_argument, and optional_argument:
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| 64 | * whether option takes an argument
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| 65 | */
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| 66 | int has_arg;
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| 67 | /* if not NULL, set *flag to val when option found */
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| 68 | int *flag;
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| 69 | /* if flag not NULL, value to set *flag to; else return value */
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| 70 | int val;
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| 71 | };
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| 72 |
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| 73 | __BEGIN_DECLS
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| 74 | int getopt_long(int, char * const *, const char *,
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| 75 | const struct option *, int *);
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| 76 | int getopt_long_only(int, char * const *, const char *,
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| 77 | const struct option *, int *);
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| 78 | #ifndef _GETOPT_DECLARED
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| 79 | #define _GETOPT_DECLARED
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| 80 | int getopt(int, char * const [], const char *);
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| 81 |
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| 82 | extern char *optarg; /* getopt(3) external variables */
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| 83 | extern int optind, opterr, optopt;
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| 84 | #endif
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| 85 | #ifndef _OPTRESET_DECLARED
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| 86 | #define _OPTRESET_DECLARED
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| 87 | extern int optreset; /* getopt(3) external variable */
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| 88 | #endif
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| 89 |
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| 90 | /* bird - start: this is provided thru libiberty. */
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| 91 | int _getopt_internal __P((int, char *const *, const char *,
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| 92 | const struct option *, int *, int));
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| 93 | /* bird - end */
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| 94 |
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| 95 | __END_DECLS
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| 96 |
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| 97 | #endif /* !_GETOPT_H_ */
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