/*
  *  getopt.h - interface to my re-implementation of getopt.
  *  Copyright 1997, 2000, 2001, 2002, 2006, Benjamin Sittler
  *
  *  Permission is hereby granted, free of charge, to any person
  *  obtaining a copy of this software and associated documentation
  *  files (the "Software"), to deal in the Software without
  *  restriction, including without limitation the rights to use, copy,
  *  modify, merge, publish, distribute, sublicense, and/or sell copies
  *  of the Software, and to permit persons to whom the Software is
  *  furnished to do so, subject to the following conditions:
  *  
  *  The above copyright notice and this permission notice shall be
  *  included in all copies or substantial portions of the Software.
  *  
  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  *  NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  *  DEALINGS IN THE SOFTWARE.
  */
 
 #ifndef _GETOPT_H_INCLUDED
 #define _GETOPT_H_INCLUDED
 
 #ifdef __cplusplus

 extern "C" {
 #endif
 

 /* UNIX-style short-argument parser */

 extern int my_getopt(int argc, char *argv[], const char *opts);

 extern int optind, opterr, optopt;
 extern char *optarg;

 struct option {

   const char *name;
   int has_arg;
   int *flag;
   int val;
 };
 

 /* human-readable values for has_arg */
 #undef no_argument
 #define no_argument 0
 #undef required_argument
 #define required_argument 1
 #undef optional_argument
 #define optional_argument 2

 /* GNU-style long-argument parsers */

 extern int my_getopt_long(int argc, char * argv[], const char *shortopts,

                        const struct option *longopts, int *longind);

 extern int my_getopt_long_only(int argc, char * argv[], const char *shortopts,

                             const struct option *longopts, int *longind);

 #ifdef __cplusplus

 }
 #endif
 

 #endif /* _GETOPT_H_INCLUDED */