本教程附带了一个多文件编译的实例，并且介绍了直接使用命令方式和makefile方式编译程序的方法，更难得的是，一步步介绍了makefile的简化工作-This tutorial comes with more than one file to compile the examples, and introduce a direct way and use the command mode makefile compiler methods are more rare, a step-by-step introduction of the makefile to simplify the job