说明：  一个用标准c编写的通讯录程序，环境Turbo C，通讯录系统中保存着各人员的姓名、电话、住址、邮编等信息，通过该系统的界面可以浏览这些信息，也可以插入、添加及删除某个人员的信息
(c a standard procedure to prepare the directory, the environment Turbo C, Contacts system with the officers to keep the name, telephone, address, zip code and other information. The system interface can access the information, can also insert, add and delete certain personnel information)