12do { // 1. Repeatedly call class +loads until there aren't

do { // 1. Repeatedly call class +loads until there aren't any more while (loadable_classes_used > 0) { call_class_loads(); }

// 2. Call category +loads ONCE
more_categories = call_category_loads();

// 3. Run more +loads if there are classes OR more untried categories

} while (loadable_classes_used > 0 || more_categories);

static void call_class_loads(void) { int i;

// Detach current loadable list.
struct loadable_class *classes = loadable_classes;
int used = loadable_classes_used;
loadable_classes = nil;
loadable_classes_allocated = 0;
loadable_classes_used = 0;