headers/posix/getopt.h

   1 /*
   2  * Copyright 2004-2012 Haiku, Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _GETOPT_H
   6 #define _GETOPT_H
   7
   8
   9 #include <unistd.h>
  10
  11
  12 /* This header defines the available GNU extensions to the getopt() functionality */
  13
  14 struct option {
  15         const char      *name;
  16         int                     has_arg;
  17         int                     *flag;
  18         int                     val;
  19 };
  20
  21 /* Options for the "has_arg" field */
  22
  23 #define no_argument                     0
  24 #define required_argument       1
  25 #define optional_argument       2
  26
  27
  28 #ifdef  __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 extern int getopt_long(int argc, char * const *argv, const char *shortOptions,
  33                                 const struct option *longOptions, int *_longIndex);
  34 extern int getopt_long_only(int argc, char * const *argv, const char *shortOptions,
  35                                 const struct option *longOptions, int *_longIndex);
  36
  37 #ifdef  __cplusplus
  38 }
  39 #endif
  40
  41 #endif  /* _GETOPT_H */