自己编写的C语言教务管理系统，可以实现基本的学生信息录入，查询，添加，删除和修改等操作，其中的循环语句的用法对C语言的初学者有一定的帮助-Write your own C-language educational management system, students can achieve the basic information input, query, add, delete and modify such operation in which the use of loop on t