C语言课设，包含：

比较“冒泡排序”和“选择排序”两种排序方法的效率

比较两个文件是否雷同

处理简单的数据文件

创建“文件复制”的DOS命令

关联两个文件中的数据-C language lesson set, including: compare the efficiency of the bubble sort and select Sort two Sort method to compare two files are identical to handle simple data file to create a " file copy"　DOS command associated with the two files in the data