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Annotation of src/include/getopt.h, Revision 1.1

1.1     ! millert     1: /*     $OpenBSD$       */
        !             2: /*     $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad 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:  * 3. All advertising materials mentioning features or use of this software
        !            20:  *    must display the following acknowledgement:
        !            21:  *        This product includes software developed by the NetBSD
        !            22:  *        Foundation, Inc. and its contributors.
        !            23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            24:  *    contributors may be used to endorse or promote products derived
        !            25:  *    from this software without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            37:  * POSSIBILITY OF SUCH DAMAGE.
        !            38:  */
        !            39:
        !            40: #ifndef _GETOPT_H_
        !            41: #define _GETOPT_H_
        !            42:
        !            43: #include <sys/cdefs.h>
        !            44:
        !            45: /*
        !            46:  * GNU-like getopt_long() and 4.4BSD getsubopt()/optreset extensions
        !            47:  */
        !            48: #define no_argument        0
        !            49: #define required_argument  1
        !            50: #define optional_argument  2
        !            51:
        !            52: struct option {
        !            53:        /* name of long option */
        !            54:        const char *name;
        !            55:        /*
        !            56:         * one of no_argument, required_argument, and optional_argument:
        !            57:         * whether option takes an argument
        !            58:         */
        !            59:        int has_arg;
        !            60:        /* if not NULL, set *flag to val when option found */
        !            61:        int *flag;
        !            62:        /* if flag not NULL, value to set *flag to; else return value */
        !            63:        int val;
        !            64: };
        !            65:
        !            66: __BEGIN_DECLS
        !            67: int     getopt_long(int, char * const *, const char *,
        !            68:            const struct option *, int *);
        !            69: int     getopt_long_only(int, char * const *, const char *,
        !            70:            const struct option *, int *);
        !            71: #ifndef _GETOPT_DEFINED_
        !            72: #define _GETOPT_DEFINED_
        !            73: int     getopt(int, char * const *, const char *);
        !            74: int     getsubopt(char **, char * const *, char **);
        !            75:
        !            76: extern   char *optarg;                  /* getopt(3) external variables */
        !            77: extern   int opterr;
        !            78: extern   int optind;
        !            79: extern   int optopt;
        !            80: extern   int optreset;
        !            81: extern   char *suboptarg;               /* getsubopt(3) external variable */
        !            82: #endif
        !            83: __END_DECLS
        !            84:
        !            85: #endif /* !_GETOPT_H_ */