为什么就是不对???
											# include<stdio.h>
void main()
{
 int max(int a,int b,int c);
 int a,b,c,n;
 scanf("%d%d%d",&a,&b,&c);
 n=max(a,b,c);
 printf("the largest is %d\n",n);
}
 int max(int a,int b,int c)
 {
  int z;
  if(a>c) c=a;
  if(b>c) c=b;
  z=c;
  return z;
 }

 
											





