用C语言实现的一个双向链表，具有插入删除，查找等操作-C language of a two-way linked list, with the deletion of insertion, search, etc

用C写的双链表结构。汗，我的字数不够 20很气哦。！ 欢迎下载-Using C to write the two-list structure. Khan, my word is not enough gas Oh 20. ! Welcome to download