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1 /*
2 * Copyright (c) 1987, 1993, 1994, 1996
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
34 #ifndef __GETOPT_H__
35 #define __GETOPT_H__
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
41 struct option {
42 const char *name;
43 int has_arg;
44 int *flag;
45 int val;
48 extern int opterr; /* if error message should be printed */
49 extern int optind; /* index into parent argv vector */
50 extern int optopt; /* character checked for validity */
51 extern int optreset; /* reset getopt */
52 extern char *optarg; /* argument associated with option */
54 int getopt (int, char * const *, const char *);
56 int getopt_long (int, char * const *, const char *, const struct option *, int *);
58 #define no_argument 0
59 #define required_argument 1
60 #define optional_argument 2
62 #ifdef __cplusplus
64 #endif
66 #endif /* __GETOPT_H__ */