本程序用C语言编写，在Visual studio 6.0 下运行成功

拷贝之后便可以运行。

本程序是本人在学习编译原理课程时所编写的，现在不用了，发出来供大家一起参考讨论之用。

由于只是为了实验课的需要而用，所以程序的功能还十分简单，程序中也还存在很多问题和不足，欢迎大家给予指正。-This program is written in C, operation successfully in Visual studio 6.0

After copy they can run .

This program is compiled in learning courses, which is not used now, come together for reference and discuss.

Because of the only need of the experiment , so program function also is very simple, the program is still exist many problems and　insufficiency, welcome everybody to correct it.