C源代码和说明书。包括源码和系统结构流程图。学生选课系统是一个教育单位不可缺少的重要系统组成部分,它对于学校的决策者、管理者管理、查看课程来说都有至关重要。-C source code and instructions. Include source code and system structure flow chart. Students course selection system is a education unit indispensable important system c