Add parse_func

main.c

@@ -1,8 +1,11 @@
 #include "argparser.h"
+#include <stdbool.h>
 #include <stdio.h>
 
+void parse_func(arg_t arg, void *user_data);
+
 int main(int argc, char *argv[]) {
-  argparser_t *parser = create_parser();
+  argparser_t *parser = create_parser(parse_func);
 
   add_argument(parser, (arg_t){ARG_TYPE_POSITIONAL, "c", "count"});
   add_argument(parser, (arg_t){ARG_TYPE_POSITIONAL, "g", "group"});
@@ -12,9 +15,11 @@ int main(int argc, char *argv[]) {
   add_argument(parser, (arg_t){ARG_TYPE_FLAG, "u", "undo"});
   add_argument(parser, (arg_t){ARG_TYPE_FLAG, "d", "delete"});
 
-  print_usage(parser);
+  parse_args(parser, argc, argv);
 
   destroy_parser(&parser);
 
   return 0;
 }
+
+void parse_func(arg_t arg, void *user_data) {}