纯C语言编写的手机销售系统，控制台程序，北京邮电学院长沙分院的刘位编写的。用纯C能写出这个小程序，很佩服作者，为大家提供了这么一个学习范例代码，希望研究C的朋友好好研究一番。-Pure C language written in mobile phone sales system, the console program, Beijing University of Posts and Changsha Branch Liu bit prepared. Pure C can write this