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

/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Dieter Baron and Thomas Klausner.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef ND_GETOPT_LONG_H_
#define ND_GETOPT_LONG_H_

/*
* GNU-like getopt_long()/getopt_long_only() with 4.4BSD optreset extension.
* getopt() is declared here too for GNU programs.
*/
#define no_argument        0
#define required_argument  1
#define optional_argument  2

struct option {
       /* name of long option */
       const char *name;
       /*
        * one of no_argument, required_argument, and optional_argument:
        * whether option takes an argument
        */
       int has_arg;
       /* if not NULL, set *flag to val when option found */
       int *flag;
       /* if flag not NULL, value to set *flag to; else return value */
       int val;
};

int     getopt_long(int, char * const *, const char *,
       const struct option *, int *);
int     getopt_long_only(int, char * const *, const char *,
       const struct option *, int *);

extern char *optarg;                    /* getopt(3) external variables */
extern int optind, opterr, optopt;

#endif /* ! ND_GETOPT_LONG_H_ */