输入简单的c语言程序，再通过编译器进行编译，可以得到编译的结果。与c语言的功能相近只是范围较小。还可以生成语法分析树，来看中间是怎么进行编译的。-Enter a simple c language program, and then compiled by the compiler, the results can be compiled. And c function of language is similar to a smaller range. Parse tree can also be generated, see how to compile the middle.