编译原理上机实验，c语言的词法分析器。将单词分为保留字，标识符，数字。可实现c语言的几乎全部词法分析。,Principle of the Experimental Machine compiler, c language lexical analyzer. The word is divided into reserved words, identifiers, numbers. Can be realized almost all of c language lexical analysis.

东北大学数值分析上机实验课题九、十实验源代码(Northeastern University numerical analysis on the experimental subjects nine, ten experimental source code)