摘要： 今天看程序时对二级指针有些疑问，写了个小测试，记录一下。#include struct list{ int num; struct list *next;};int main(){ struct list list, list2, *head,**head2, *cur, **cur2; list.num = -2; list.next = &list2; list2.num = 3; list2.next = NULL; head = &list; head2 = &head; cur2 = head2; cur = *cur... 阅读全文