1255670Sdes/* $OpenBSD: getopt.h,v 1.2 2008/06/26 05:42:04 ray Exp $ */ 2255670Sdes/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ 3255670Sdes 4255670Sdes/*- 5255670Sdes * Copyright (c) 2000 The NetBSD Foundation, Inc. 6255670Sdes * All rights reserved. 7255670Sdes * 8255670Sdes * This code is derived from software contributed to The NetBSD Foundation 9255670Sdes * by Dieter Baron and Thomas Klausner. 10255670Sdes * 11255670Sdes * Redistribution and use in source and binary forms, with or without 12255670Sdes * modification, are permitted provided that the following conditions 13255670Sdes * are met: 14255670Sdes * 1. Redistributions of source code must retain the above copyright 15255670Sdes * notice, this list of conditions and the following disclaimer. 16255670Sdes * 2. Redistributions in binary form must reproduce the above copyright 17255670Sdes * notice, this list of conditions and the following disclaimer in the 18255670Sdes * documentation and/or other materials provided with the distribution. 19255670Sdes * 20255670Sdes * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21255670Sdes * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22255670Sdes * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23255670Sdes * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24255670Sdes * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25255670Sdes * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26255670Sdes * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27255670Sdes * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28255670Sdes * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29255670Sdes * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30255670Sdes * POSSIBILITY OF SUCH DAMAGE. 31255670Sdes */ 32255670Sdes 33255670Sdes#ifndef _GETOPT_H_ 34255670Sdes#define _GETOPT_H_ 35255670Sdes 36255670Sdes/* 37255670Sdes * GNU-like getopt_long() and 4.4BSD getsubopt()/optreset extensions 38255670Sdes */ 39255670Sdes#define no_argument 0 40255670Sdes#define required_argument 1 41255670Sdes#define optional_argument 2 42255670Sdes 43255670Sdesstruct option { 44255670Sdes /* name of long option */ 45255670Sdes const char *name; 46255670Sdes /* 47255670Sdes * one of no_argument, required_argument, and optional_argument: 48255670Sdes * whether option takes an argument 49255670Sdes */ 50255670Sdes int has_arg; 51255670Sdes /* if not NULL, set *flag to val when option found */ 52255670Sdes int *flag; 53255670Sdes /* if flag not NULL, value to set *flag to; else return value */ 54255670Sdes int val; 55255670Sdes}; 56255670Sdes 57255670Sdesint getopt_long(int, char * const *, const char *, 58255670Sdes const struct option *, int *); 59255670Sdesint getopt_long_only(int, char * const *, const char *, 60255670Sdes const struct option *, int *); 61255670Sdes#ifndef _GETOPT_DEFINED_ 62255670Sdes#define _GETOPT_DEFINED_ 63255670Sdesint getopt(int, char * const *, const char *); 64255670Sdesint getsubopt(char **, char * const *, char **); 65255670Sdes 66255670Sdesextern char *optarg; /* getopt(3) external variables */ 67255670Sdesextern int opterr; 68255670Sdesextern int optind; 69255670Sdesextern int optopt; 70255670Sdesextern int optreset; 71255670Sdesextern char *suboptarg; /* getsubopt(3) external variable */ 72255670Sdes#endif 73255670Sdes 74255670Sdes#endif /* !_GETOPT_H_ */ 75