说明：  用c++手工编程实现才c-语法分析器，能够读取存储在input.txt中的c-源程序，并将其刺法分析的结果即Token序列输出到out.txt中，以便检查此法分析的正确性
(Using c++ manual programming only c-grammar parser that can read in the input.txt is stored in the c-source code, and analysis of the results of thorns that the Token sequence output to out.txt in order to check this method Analysis of the correctness of)