*
* struct opt_detail {
* bool is_long;
- * unsigned int length; // == 1 if !is_long.
+ * size_t length; // == 1 if !is_long.
* };
*
* // Define map type for int -> argv.
* for (i = jmap_first(arg); i; i = jmap_next(arg,i)) {
* char *a = jmap_get(arg, i);
* d = jmap_get(opt, a);
- * printf(" Arg %i ('%s') is a %s of %u chars\n",
+ * printf(" Arg %i ('%s') is a %s of %zu chars\n",
* i, a,
* d == NULL ? "normal arg"
* : d->is_long ? "long opt"