pointed to by val. An error is returned in case there is no argument or the
유가 120달러? 이란 전쟁과 호르무즈 봉쇄의 경제학[딥다이브]。体育直播对此有专业解读
，详情可参考Feiyi
11-inch: Liquid Retina, 2,360 x 1,640, LED display at 264 ppi，更多细节参见爱思助手
int MyFunc(int func(int)); // validPut these two features together, and you get cases like: