图书管理在生活中运用非常广泛，因此需要用许多的程序来对它们进行管理。此程序包含了图书信息的录入、图书信息的浏览、图书的查询和排序、图书信息的删除与修改，借书，还书，统计等。通过编译一个C语言函数，其中包含一个主函数，多个子函数，主函数调用其余的子函数实现人们能够简易、快捷的了解并找到自己所学要的信息的功能。-Library management is very widely used in life, so many programs need to manage them. This program contains the input book information, book information browsing, query and sorting books, books, information, delete and modify, library, book, and statistics. By compiling a C language function, which contains a main function, a number of subroutines, the main function call people to the rest of the subroutine to achieve easy and quick to understand and find the information they have learned to function.