pspsdk-1.0+beta2
getopt.h
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1 /* $NetBSD: getopt.h,v 1.7 2005/02/03 04:39:32 perry Exp $ */
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Dieter Baron and Thomas Klausner.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  * must display the following acknowledgement:
20  * This product includes software developed by the NetBSD
21  * Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  * contributors may be used to endorse or promote products derived
24  * from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _GETOPT_H_
40 #define _GETOPT_H_
41 
42 #include <unistd.h>
43 
44 #define no_argument 0
45 #define required_argument 1
46 #define optional_argument 2
47 
48 extern char *optarg;
49 extern int optind, opterr, optopt;
50 
51 struct option {
52  /* name of long option */
53  const char *name;
54  /*
55  * one of no_argument, required_argument, and optional_argument:
56  * whether option takes an argument
57  */
58  int has_arg;
59  /* if not NULL, set *flag to val when option found */
60  int *flag;
61  /* if flag not NULL, value to set *flag to; else return value */
62  int val;
63 };
64 
65 int getopt_long(int, char * const *, const char *,
66  const struct option *, int *);
67 
68 #endif /* !_GETOPT_H_ */