git.m6w6.name Git - m6w6/libmemcached/blob - src/win32/getopt.h

   1 #pragma once
   2
   3 extern "C" {
   4
   5 extern int opterr;    /* if error message should be printed */
   6 extern int optind;    /* index into parent argv vector */
   7 extern char *optarg;  /* argument associated with option */
   8
   9 struct option    /* specification for a long form option...  */
  10 {
  11   const char *name;       /* option name, without leading hyphens */
  12   int         has_arg;    /* does it take an argument?    */
  13   int        *flag;       /* where to save its status, or NULL  */
  14   int         val;        /* its associated status value    */
  15 };
  16
  17 enum            /* permitted values for its `has_arg' field...  */
  18 {
  19   no_argument = 0,        /* option never takes an argument  */
  20   required_argument,      /* option always requires an argument  */
  21   optional_argument       /* option may take an argument    */
  22 };
  23
  24 int getopt(int nargc, char * const *nargv, const char *options);
  25 int getopt_long(int nargc, char * const *nargv, const char *options,
  26     const struct option *long_options, int *idx);
  27 int getopt_long_only(int nargc, char * const *nargv, const char *options,
  28     const struct option *long_options, int *idx);
  29
  30 }