#include <stdio.h>
#include <string.h>
#include <stdlib.h>
typedef struct Node
{
char data;
struct Node *Lchild,*Rchild;
}BinaryTree;//树结点定义
BinaryTree* BuildTree(char* buff,int* p);//建立树
void MidOrderTraversal(BinaryTree* BT);//中序遍历
void DestroyTree(Bi...