学完C的作业，一个学生成绩查询系统，使用TC编译完成，能增删改查学生的总分平均分等，实现学生成绩排名等，入门C学习链表的最好例子。-Completion of the C operation, a student performance query system, using TC compiled, can crud score grading check students , to achieve student performance ranking, the best example of introduction of C learning list.