链表封装 功能：链表头指针初始化，添加节点 数据先进先出，获取某个结点的data 获取链表的结点的个数，释放链表-Linked list package features: the list head pointer initialization, add a node data FIFO access to the data of a node for the linked list of the number of nodes, the release of the link

An immutable, random-access list of Address objects Source Code for Linux.