lib/getopt.h

   1 #ifndef LIB_GETOPT_H
   2 #define LIB_GETOPT_H
   3
   4 extern char *optarg;
   5 extern int optind, opterr, optopt;
   6
   7 struct option {
   8     const char *name;
   9     int has_arg;
  10     int *flag;
  11     int val;
  12 };
  13
  14 enum {
  15     no_argument   = 0,
  16     required_argument = 1,
  17     optional_argument = 2,
  18 };
  19
  20 int getopt_long(int, char *const *, const char *,
  21                 const struct option *, int *);
  22
  23 #endif /* LIB_GETOPT_H */