猜数字游戏

#include<stdio.h>
#include <time.h>
#include<stdlib.h>

void print()
{
printf("**************************\n");
printf("*******1.  start  ********\n");
printf("*******0.  exit   ********\n");
printf("**************************\n");
}

void play(int val)
{
int select;
printf("请选择：>\n");
scanf("%d",&select);
switch(select)
{
int n;
case 1:
while(1)
{
printf("亲，请输入0-100之间的数：>\n");
scanf("%d",&n);
if( n > val )
{
printf("不好意思，您猜大了！\n");
}
else if( n < val )
{
printf("不好意思，您猜小了！\n");
}
else
{
printf("恭喜您，您猜对了！\n");
break;
}
}
break;
default:
printf("退出系统！\n");
break;
}
}

int main()
{
int m;
srand(time(NULL));
m=rand()%100;
while(m)
{
print();
play(m);
}
return 0;
}