하위뷰에서 상위뷰 컨트롤 하는 방법

NSString *className = [NSString stringWithFormat:@"%s", object_getClassName([self.superview nextResponder])];

if ([className isEqualToString:@"XXXXlViewController"]) {

[(XXXXlViewController *)[self.superview nextResponder] sizeToFit];

}