学生成绩管理系统，

1登记学生资料

2删除学生资料

3查询学生资料

4修改学生资料

5保存学生资料

该程序涉及对链表，文件的操作。对提高c有一定的帮助！-Student achievement management system, a registration to delete student information student information 2　3 4 modify the query student information student information student information 5 stored procedure involves the list, the file operation. To improve the c have some help!