rb_class_foreach_subclass 135 class.c rb_class_foreach_subclass(klass, class_detach_subclasses, Qnil); rb_class_foreach_subclass 147 class.c rb_class_foreach_subclass(klass, class_detach_module_subclasses, Qnil); rb_class_foreach_subclass 877 internal.h void rb_class_foreach_subclass(VALUE klass, void (*f)(VALUE, VALUE), VALUE); rb_class_foreach_subclass 80 vm_method.c rb_class_foreach_subclass(klass, rb_class_clear_method_cache, arg); rb_class_foreach_subclass 483 vm_method.c rb_class_foreach_subclass(klass, check_override_opt_method, (VALUE)mid);