338 class_getMethodImplementation (Class class_, SEL selector)  in class_getMethodImplementation()  argument
340   if (class_ == Nil  ||  selector == NULL)  in class_getMethodImplementation()
344   return get_imp (class_, selector);  in class_getMethodImplementation()
394 class_respondsToSelector (Class class_, SEL selector)  in class_respondsToSelector()  argument
399   if (class_ == Nil  ||  selector == NULL)  in class_respondsToSelector()
425   res = sarray_get_safe (dtable, (size_t) selector->sel_id);  in class_respondsToSelector()
617 class_getInstanceMethod (Class class_, SEL selector)  in class_getInstanceMethod()  argument
621   if (class_ == Nil  ||  selector == NULL)  in class_getInstanceMethod()
624   m = search_for_method_in_hierarchy (class_, selector);  in class_getInstanceMethod()
630   if (__objc_resolve_instance_method (class_, selector))  in class_getInstanceMethod()
631     return search_for_method_in_hierarchy (class_, selector);  in class_getInstanceMethod()
637 class_getClassMethod (Class class_, SEL selector)  in class_getClassMethod()  argument
641   if (class_ == Nil  ||  selector == NULL)  in class_getClassMethod()
645 				      selector);  in class_getClassMethod()
651   if (__objc_resolve_class_method (class_, selector))  in class_getClassMethod()
653 					   selector);      in class_getClassMethod()
659 class_addMethod (Class class_, SEL selector, IMP implementation,  in class_addMethod()  argument
666   if (class_ == Nil  ||  selector == NULL  ||  implementation == NULL    in class_addMethod()
670   method_name = sel_getName (selector);  in class_addMethod()
709       if (search_for_method_in_list (class_->methods, selector))  in class_addMethod()
745 class_replaceMethod (Class class_, SEL selector, IMP implementation,  in class_replaceMethod()  argument
750   if (class_ == Nil  ||  selector == NULL  ||  implementation == NULL  in class_replaceMethod()
754   method = search_for_method_in_hierarchy (class_, selector);  in class_replaceMethod()
762       class_addMethod (class_, selector, implementation, method_types);  in class_replaceMethod()