双向链表的初始化
双向链表的插入
双向链表的删除
我们可以看看这一题循环双向链表的题目
王道p40 17.设计一个算法用于判断带头结点的循环双链表是否对称(c语言代码实现)_认真敲代码的小火龙的博客-CSDN博客https://blog.csdn.net/m0_46702681/article/details/133320024?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522169832808916800227464996%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=169832808916800227464996&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-2-133320024-null-null.nonecase&utm_term=%E5%8F%8C%E5%90%91%E9%93%BE%E8%A1%A8&spm=1018.2226.3001.4450