1 /* $NetBSD: mygetopt.h,v 1.1.1.4 2015/01/02 20:34:27 christos Exp $ */ 2 3 /* NetBSD: getopt.h,v 1.8 2007/11/06 19:21:18 christos Exp */ 4 5 /*- 6 * Copyright (c) 2000 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Dieter Baron and Thomas Klausner. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #ifndef _GETOPT_H_ 42 #define _GETOPT_H_ 43 44 #include <unistd.h> 45 46 /* 47 * Gnu like getopt_long() and BSD4.4 getsubopt()/optreset extensions 48 */ 49 #define no_argument 0 50 #define required_argument 1 51 #define optional_argument 2 52 53 struct option { 54 /* name of long option */ 55 const char *name; 56 /* 57 * one of no_argument, required_argument, and optional_argument: 58 * whether option takes an argument 59 */ 60 int has_arg; 61 /* if not NULL, set *flag to val when option found */ 62 int *flag; 63 /* if flag not NULL, value to set *flag to; else return value */ 64 int val; 65 }; 66 67 int getopt_long(int, char * const *, const char *, 68 const struct option *, int *); 69 70 #endif /* !_GETOPT_H_ */ 71