1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * GNU-like getopt_long(), getopt_long_only(). 29 * Solaris-specific getopt_clip(). 30 */ 31 32 #ifndef _GETOPT_H 33 #define _GETOPT_H 34 35 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 42 /* 43 * Values for has_arg field. 44 * 45 * optional_argument is not supported by getopt_clip() 46 */ 47 #define no_argument 0 48 #define required_argument 1 49 #define optional_argument 2 50 51 struct option { 52 char *name; /* name of long option */ 53 int has_arg; /* whether option takes an argument */ 54 int *flag; /* if not NULL, set *flag to val when option found */ 55 int val; /* if flag is not NULL, value to set *flag to. */ 56 /* if flag is NULL, return value */ 57 }; 58 59 /* 60 * External variables used by these routines. 61 */ 62 extern char *optarg; 63 extern int opterr; 64 extern int optind; 65 extern int optopt; 66 67 /* 68 * The use of getopt_long_only in new development is strongly discouraged. 69 */ 70 #ifdef __STDC__ 71 extern int getopt_long(int, char * const *, const char *, 72 const struct option *, int *); 73 extern int getopt_long_only(int, char * const *, const char *, 74 const struct option *, int *); 75 extern int getopt_clip(int, char * const *, const char *, 76 const struct option *, int *); 77 #else /* __STDC__ */ 78 extern int getopt_long(); 79 extern int getopt_long_only(); 80 extern int getopt_clip(); 81 #endif /* __STDC__ */ 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _GETOPT_H */ 88