1 /*	$NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $	*/

     2 /*	$FreeBSD: src/include/getopt.h,v 1.6 2004/02/24 08:09:20 ache Exp $ */

     3 

     4 /*-

     5  * Copyright (c) 2000 The NetBSD Foundation, Inc.

     6  * All rights reserved.

     7  *

     8  * This code is derived from software contributed to The NetBSD Foundation

     9  * by Dieter Baron and Thomas Klausner.

    10  *

    11  * Redistribution and use in source and binary forms, with or without

    12  * modification, are permitted provided that the following conditions

    13  * are met:

    14  * 1. Redistributions of source code must retain the above copyright

    15  *    notice, this list of conditions and the following disclaimer.

    16  * 2. Redistributions in binary form must reproduce the above copyright

    17  *    notice, this list of conditions and the following disclaimer in the

    18  *    documentation and/or other materials provided with the distribution.

    19  * 4. Neither the name of The NetBSD Foundation nor the names of its

    20  *    contributors may be used to endorse or promote products derived

    21  *    from this software without specific prior written permission.

    22  *

    23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS

    24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

    25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS

    27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    33  * POSSIBILITY OF SUCH DAMAGE.

    34 * Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

    35  */

    36 

    37 #ifndef _GETOPT_H_

    38 #define _GETOPT_H_

    39 

    40 #include <sys/cdefs.h>

    41 

    42 /*

    43  * GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension.

    44  * getopt() is declared here too for GNU programs.

    45  */

    46 #define no_argument        0

    47 #define required_argument  1

    48 #define optional_argument  2

    49 

    50 struct option {

    51 	/* name of long option */

    52 	const char *name;

    53 	/*

    54 	 * one of no_argument, required_argument, and optional_argument:

    55 	 * whether option takes an argument

    56 	 */

    57 	int has_arg;

    58 	/* if not NULL, set *flag to val when option found */

    59 	int *flag;

    60 	/* if flag not NULL, value to set *flag to; else return value */

    61 	int val;

    62 };

    63 

    64 __BEGIN_DECLS

    65 IMPORT_C int	getopt_long(int, char * const *, const char *,

    66 	const struct option *, int *);

    67 #ifndef _GETOPT_DECLARED

    68 #define	_GETOPT_DECLARED

    69 IMPORT_C int	 getopt(int, char * const [], const char *);

    70 

    71 #ifndef __SYMBIAN32__

    72 extern char *optarg;			/* getopt(3) external variables */

    73 extern int optind, opterr, optopt;

    74 #else

    75 IMPORT_C int *__optopt(void);

    76 IMPORT_C int *__opterr(void);

    77 IMPORT_C int *__optind(void);

    78 IMPORT_C char **__optarg(void);

    79 #define optopt	  (*__optopt())

    80 #define opterr	  (*__opterr())

    81 #define optind	  (*__optind())

    82 #define optarg	  (*__optarg())

    83 #endif /* __SYMBIAN32__ */

    84 

    85 #endif /* _GETOPT_DECLARED */

    86 #ifndef _OPTRESET_DECLARED

    87 #define	_OPTRESET_DECLARED

    88 

    89 #ifndef __SYMBIAN32__

    90 extern int optreset;			/* getopt(3) external variable */

    91 #else

    92 IMPORT_C int *__optreset(void);

    93 #define optreset  (*__optreset())

    94 #endif /* __SYMBIAN32__ */

    95 

    96 #endif /*_OPTRESET_DECLARED */

    97 __END_DECLS

    98  

    99 #endif /* !_GETOPT_H_ */