Introduction - If you have any usage issues, please Google them yourself
/* this procedure uses in the lexical analysis: Inputs a line of C sentence from the DOS contact surface, and take# the number ending (attention must by this as end mark, otherwise makes a mistake), request output correspondence word type code and this kind of center encoding. Among them, the essential character type is 1, the dividing line symbol type is 2, the arithmetic operator, the relational operator, the constant, the identifier respectively are 3, 4, 5, 6.