名称：C语言词法分析器 功能：1）从C语言源代码文件中提取所有词素 2）检测程序的词法错误，给出错误行号及提示 3）语法分析器的预备程序 文件：分析器代码（Lex.c）、测试文件（test.c）、状态转换图、可执行程序 输出：错误记录文件、符号表文件、标识符文件-Name lexical analyzer for C language

function:

1)Extract all lexems from C Language source code

2)Examine the syntax errors of the program and provide the line number of error line and note

3)preprocessed program file of the lexical analyzer source code of the analyzer(Lex.c), test file(test.c),status transformation chart,excutable program. Output: Error-recording file, symbol table file and identifier file.