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getopt.h
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00001 #ifndef GETOPT_H
00002 #define GETOPT_H
00003 
00004 /* include files needed by this include file */
00005 
00006 /* macros defined by this include file */
00007 #define no_argument     0
00008 #define REQUIRED_ARG    1
00009 #define OPTIONAL_ARG    2
00010 
00011 /* types defined by this include file */
00012 
00013 /* GETOPT_LONG_OPTION_T: The type of long option */
00014 typedef struct GETOPT_LONG_OPTION_T
00015 {
00016   const char *name;             /* the name of the long option */
00017   int has_arg;                  /* one of the above macros */
00018   int *flag;                    /* determines if getopt_long() returns a
00019                                  * value for a long option; if it is
00020                                  * non-NULL, 0 is returned as a function
00021                                  * value and the value of val is stored in
00022                                  * the area pointed to by flag.  Otherwise,
00023                                  * val is returned. */
00024   int val;                      /* determines the value to return if flag is
00025                                  * NULL. */
00026 } GETOPT_LONG_OPTION_T;
00027 
00028 typedef GETOPT_LONG_OPTION_T option;
00029 
00030 #ifdef __cplusplus
00031 extern "C"
00032 {
00033 #endif
00034 
00035   /* externally-defined variables */
00036   extern char *optarg;
00037   extern int optind;
00038   extern int opterr;
00039   extern int optopt;
00040 
00041   /* function prototypes */
00042   int getopt (int argc, char **argv, char *optstring);
00043   int getopt_long (int argc, char **argv, const char *shortopts,
00044                    const GETOPT_LONG_OPTION_T * longopts, int *longind);
00045   int getopt_long_only (int argc, char **argv, const char *shortopts,
00046                         const GETOPT_LONG_OPTION_T * longopts, int *longind);
00047 
00048 #ifdef __cplusplus
00049 };
00050 
00051 #endif
00052 
00053 #endif /* GETOPT_H */
00054 
00055 /* END OF FILE getopt.h */