#include<stdio.h>
#include<conio.h>
#include<malloc.h>
#define NULL 0

struct BiTNode
{
    char data;
    struct BiTNode *lchild,*rchild;
};
typedef struct BiTNode BiTnode;
typedef struct BiTNode *BiTree;

void CreatBiTree(BiTree T)
{
    char ch;
    printf("\nEnter a char:");
    scanf("%c",&ch);
    if(ch=='#')T=NULL;
    else
        {
            T=(BiTree)malloc(sizeof(BiTnode));
            if(!T)
                {
                    printf("OverFlow");
                    getch();
                    exit(0);
                }
            T->data=ch;
            CreatBiTree(T->lchild);
            CreatBiTree(T->rchild);
        }
}

void Print(BiTree T)
{
    if(T!=NULL)
        {
        printf("\n%s",T->data);
        if(T->lchild!=NULL || T->rchild!=NULL)
        {
          Print(T->lchild);
          Print(T->rchild);
        }
      }
}

void main()
{
    BiTnode bt;
    clrscr();
         CreatBiTree(&bt);
    Print(&bt);
}/*end*/
以上程序有问题吗，为什么它会不停的递归呢？大家帮帮忙看下，谢谢了！