为什么以及如何取消引用函数指针只是“什么都不做”？这就是我要说的:#includevoidhello(){printf("hello");}intmain(void){(*****hello)();}来自here的评论:functionpointersdereferencejustfine,buttheresultingfunctiondesignatorwillbeimmediatelyconvertedbacktoafunctionpointer从回答here:Dereferencing(inwayyouthink)afunction'spointermeans:accessing