这是利用C语言写的通讯录管理系统，实现了增删改查等基础功能，代码层次清晰，语言简练，注释清晰-This is done using C language to write the address book management system to achieve the CRUD and other basic functions, the code-level clear, concise language, clear notes

有数据表构成的通讯录，包括其中内容的增删改查等(An address book consisting of data tables)