#include<stdio.h>
#include<stdlib.h>
typedef struct BiTone{
    char ch;
    struct BiTone *lchild,*rchild;
}BiTone;
void  CreateBiTone(BiTone *T){
    int i,cha;
    //static int a=1;
    printf("请输入要储存的值：");
    cha=getchar();
    while((i=getchar())!='\n' && i!=EOF);
        if(cha=='#'){
            T=NULL;
        }else{
            T=malloc(sizeof(BiTone));
            if(NULL==T){
                printf("申请失败");
                exit(1);
            }
            T->ch=cha;
            //printf();
            printf("目前创建左子树\n");
            CreateBiTone(T->lchild);
            printf("目前储存的是右子树\n");
            CreateBiTone(T->rchild);
        }
}
void Copy(BiTone *T,BiTone *t){
    if(NULL==T){
        t=NULL;
        return;
    }else{
        t=malloc(sizeof(BiTone));
        if(NULL==t){
            printf("申请失败");
            exit(1);
        }
        t->ch=T->ch;
        Copy(T->lchild,t->lchild);   
        Copy(T->rchild,t->rchild);
    }
}
int Nodecount(BiTone *T){
    if(NULL==T){
        return 0;
    }else{
        return Nodecount(T->lchild)+Nodecount(T->rchild)+1;
    }
}
int Depth(BiTone *T){
    int l,r;
    if(NULL==T){
        return 0;
    }else{
        l=Depth(T->lchild);
        r=Depth(T->rchild);
        if(l>r)
            return l+1;
        else
            return r+1;
    }
}
int main(){
    BiTone *T=NULL,*t=NULL;
    CreateBiTone(T);
    printf("创建成功\n");
    printf("%p",T);
    Copy(T,t);
    printf("复制成功\n");
    printf("%d\n",Depth(T));
    printf("%d\n",Depth(t));
    printf("%d\n",Nodecount(T));
    printf("%d\n",Nodecount(T));
}

输出的是错误的答案

会了 谢谢大家。