getopt.h

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/*
 * Copyright (c) 1987, 1993, 1994, 1996
 *  The Regents of the University of California.  All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
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 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *  This product includes software developed by the University of
 *  California, Berkeley and its contributors.
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 *    may be used to endorse or promote products derived from this software
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 */

#ifndef __GETOPT_H__
#define __GETOPT_H__

#ifdef __cplusplus
extern "C" {
#endif

extern int   opterr;      /* if error message should be printed */
extern int   optind;      /* index into parent argv vector */
extern int   optopt;      /* character checked for validity */
extern int   optreset;    /* reset getopt */
extern char *optarg;      /* argument associated with option */

int getopt (int, char * const *, const char *);

#ifdef __cplusplus
}
#endif

#endif /* __GETOPT_H__ */

#ifndef __UNISTD_GETOPT__
#ifndef __GETOPT_LONG_H__
#define __GETOPT_LONG_H__

#ifdef __cplusplus
extern "C" {
#endif

struct option {
    const char *name;
    int  has_arg;
    int *flag;
    int val;
};

int getopt_long (int, char *const *, const char *, const struct option *, int *);
#ifndef HAVE_DECL_GETOPT
#define HAVE_DECL_GETOPT 1
#endif

#define no_argument             0
#define required_argument       1
#define optional_argument       2

#ifdef __cplusplus
}
#endif

#endif /* __GETOPT_LONG_H__ */
#endif /* __UNISTD_GETOPT__ */