1*ce099b40Smartin /* $NetBSD: getopt.h,v 1.11 2008/04/28 20:22:54 martin Exp $ */ 2a91d8b9eSchristos 3a91d8b9eSchristos /*- 4a91d8b9eSchristos * Copyright (c) 2000 The NetBSD Foundation, Inc. 5a91d8b9eSchristos * All rights reserved. 6a91d8b9eSchristos * 7a91d8b9eSchristos * This code is derived from software contributed to The NetBSD Foundation 8a91d8b9eSchristos * by Dieter Baron and Thomas Klausner. 9a91d8b9eSchristos * 10a91d8b9eSchristos * Redistribution and use in source and binary forms, with or without 11a91d8b9eSchristos * modification, are permitted provided that the following conditions 12a91d8b9eSchristos * are met: 13a91d8b9eSchristos * 1. Redistributions of source code must retain the above copyright 14a91d8b9eSchristos * notice, this list of conditions and the following disclaimer. 15a91d8b9eSchristos * 2. Redistributions in binary form must reproduce the above copyright 16a91d8b9eSchristos * notice, this list of conditions and the following disclaimer in the 17a91d8b9eSchristos * documentation and/or other materials provided with the distribution. 18a91d8b9eSchristos * 19a91d8b9eSchristos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20a91d8b9eSchristos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21a91d8b9eSchristos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22a91d8b9eSchristos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23a91d8b9eSchristos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24a91d8b9eSchristos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25a91d8b9eSchristos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26a91d8b9eSchristos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27a91d8b9eSchristos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28a91d8b9eSchristos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29a91d8b9eSchristos * POSSIBILITY OF SUCH DAMAGE. 30a91d8b9eSchristos */ 31813b1610Sad 32a91d8b9eSchristos #ifndef _GETOPT_H_ 33a91d8b9eSchristos #define _GETOPT_H_ 34a91d8b9eSchristos 35813b1610Sad #include <sys/cdefs.h> 36d99720e2Schristos #include <unistd.h> 37813b1610Sad 38a91d8b9eSchristos /* 39a91d8b9eSchristos * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions 40a91d8b9eSchristos */ 41a91d8b9eSchristos #define no_argument 0 42a91d8b9eSchristos #define required_argument 1 43a91d8b9eSchristos #define optional_argument 2 44a91d8b9eSchristos 45a91d8b9eSchristos struct option { 46a91d8b9eSchristos /* name of long option */ 47a91d8b9eSchristos const char *name; 48a91d8b9eSchristos /* 49a91d8b9eSchristos * one of no_argument, required_argument, and optional_argument: 50a91d8b9eSchristos * whether option takes an argument 51a91d8b9eSchristos */ 52a91d8b9eSchristos int has_arg; 53a91d8b9eSchristos /* if not NULL, set *flag to val when option found */ 54a91d8b9eSchristos int *flag; 55a91d8b9eSchristos /* if flag not NULL, value to set *flag to; else return value */ 56a91d8b9eSchristos int val; 57a91d8b9eSchristos }; 58a91d8b9eSchristos 59a91d8b9eSchristos __BEGIN_DECLS 6019b7469aSperry int getopt_long(int, char * const *, const char *, 6119b7469aSperry const struct option *, int *); 62a91d8b9eSchristos __END_DECLS 63a91d8b9eSchristos 64a91d8b9eSchristos #endif /* !_GETOPT_H_ */ 65