example.c

   1 #include "optfetch.h"
   2 #include <stdio.h>
   3 #include <stdbool.h>
   4
   5 int main(int argc, char **argv) {
   6         bool debug = false;
   7         char *name = NULL;
   8         float boat = 0.0;
   9
  10         struct opttype opts[] = {
  11                 {"debug",       'd',    OPTTYPE_BOOL,   &debug},
  12                 {"name",        'n',    OPTTYPE_STRING, &name},
  13                 {"boat",        'b',    OPTTYPE_FLOAT,  &boat},
  14         {0}};
  15
  16         fetchopts(&argc, &argv, opts);
  17
  18         if (debug) {
  19                 printf("Did debug.\n");
  20         }
  21
  22         printf("Hi.  My name is %s.  What's yours?\n", name);
  23
  24         printf("My boat is %f feet long.  How about yours?\n", boat);
  25
  26         printf("Looks like I have %d argument%s left over.  Fancy that now!\n", argc, (argc == 1) ? "" : "s");
  27
  28         if (argc) {
  29                 printf("They are:\n");
  30                 for (int i = 1; i <= argc; i++) {
  31                         printf("* %s\n", argv[i]);
  32                 }
  33         }
  34
  35         return 0;
  36 }