为了实现通讯录管理的几种操作功能，首先设计一个含有多个菜单的主控菜

单程序，然后再为这些菜单配上相应功能。

1、　　主控菜单设计要求

（1）　　菜单内容

程序运行后，给出6个菜单项的内容和输入提示：



1.　　通讯录链表的建立

2.　　通讯者结点的插入

3.　　通讯者结点的查询

4.　　通讯者结点的删除

5.　　通讯录链表的输出

6.　　退出管理系统

请选择0-5:

（2）　　设计要求

使用数字0-5来选择菜单项，其它输入不起作用。

-Address Book in order to achieve the management of several operating functions, first of all to design a menu containing a number of process control menu, and then with the corresponding menu for these functions. 1, main menu design requirements (1) the contents of the menu program to run after the six menu items are given the contents and enter the tips: 1. The establishment of contacts list 2. Communication from the insertion node 3. Communication from node Query 4. correspondents from 5 to delete nodes. 6 output contacts list. Please select from the management system 0-5: (2) design requirements for the use of figures 0-5 to select the menu item, the other input does not work.