用这个例子你可以添加、删除项的链接列表。您还可以查看项目列表,和你可以看到链接地址(指针)到下一个项目或项目列表中,这是一个示例由结构-In this example, you can add, delete, list of links. You can also view the list of items, and you can see the link address (pointer) to the next project or a project list, this is a