编译器功能3主要是对按照语法分析好的输入数据进行解释，列出树装结构。-The compiler features 3 good input data in accordance with the syntax analysis, interpretation, lists the structure of the tree installed.

有关数据结构中树的一些C代码，如何建立二叉树，如何进行霍夫曼编码。-Some C code about data structure tree, how to create a binary tree, how to Huffman coding.