PLO编译分析程序C语言版

代码说明：

说明：  代码扩充了PL0编译程序语言的for循环，打印字符数字混合字符串，完善数组，浮点数运算，程序由本人自己扩展，完全符合编译原理综合实训标准要求(The code extends for loop of PL0 compiler language, prints mixed character and numeric string, perfects array and floating-point arithmetic, and the program is expanded by myself, which fully meets the requirements of comprehensive training standard of compiler principle.)