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56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
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#ifndef GETOPT_H
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#define GETOPT_H
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/* include files needed by this include file */
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/* macros defined by this include file */
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#define no_argument 0
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#define required_argument 1
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#define OPTIONAL_ARG 2
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/* types defined by this include file */
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/* GETOPT_LONG_OPTION_T: The type of long option */
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typedef struct GETOPT_LONG_OPTION_T
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{
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const char *name; /* the name of the long option */
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int has_arg; /* one of the above macros */
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int *flag; /* determines if getopt_long() returns a
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* value for a long option; if it is
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* non-NULL, 0 is returned as a function
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* value and the value of val is stored in
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* the area pointed to by flag. Otherwise,
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* val is returned. */
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int val; /* determines the value to return if flag is
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* NULL. */
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} GETOPT_LONG_OPTION_T;
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typedef GETOPT_LONG_OPTION_T option;
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* externally-defined variables */
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extern char *optarg;
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extern int optind;
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extern int opterr;
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extern int optopt;
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/* function prototypes */
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int getopt (int argc, char **argv, char *optstring);
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int getopt_long (int argc, char **argv, const char *shortopts,
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const GETOPT_LONG_OPTION_T * longopts, int *longind);
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int getopt_long_only (int argc, char **argv, const char *shortopts,
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const GETOPT_LONG_OPTION_T * longopts, int *longind);
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#ifdef __cplusplus
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};
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#endif
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#endif /* GETOPT_H */
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/* END OF FILE getopt.h */
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