用C语言做的小程序，有几处小错误，自己动手改改啦图书管理系统（c)-Using C language to do a small program, there are a few small mistakes, you changed it yourself library management system (c)

图书管理系统。解压开为一个文件library.c.使用c语言编写，可在linux下运行。具备图书管理的常用功能。-linux：book managing system. include manual function.