本程序用于词法分析：从DOS界面输入一行的C语句，并以#号结尾(注意必须以这个为结束标志，否则出错），要求输出对应的单词的种类码和该类中的 内码。其中，关键字种类为1，分界符种类为2，算术运算符、关系运算符、常数、标识符分别为-the procedures for lexical analysis : DOS interface input from the C his statement, and in the end, # (attention to the need to put an end to the signs, otherwise mistakes), request output corresponding code words and the types of such code within. Among them, for a variety of keywords, Fu boundaries for the two types, arithmetic operator, relations Operators, constant, the identifier of