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 */