typedef struct list{
 int data;
  struct list *next;
 }list1;


list1 *creat()
{list1 *head,*r,*new;
 int vale;
 printf("qing shu ru zheng shu shu ru x to jie shu\n");
 scanf("%d",&vale);
 if(vale==0)
   {head=0;
    return head;}
  
  else{head=(list1 *)malloc(sizeof(list1));
       r=head;}
       while(vale!=0)
      {new=(list1 *)malloc(sizeof(list1));
       new->data=vale;
       new->next=0;
       r->next=new;
       r=new;
       scanf("%d",&vale);}
       return head;}

  list1 *q;
 list1 *search(list1 *p,int y)
{  p->next=q;
   if( p->next==0)
    printf("lian biao wei kong \n");
   else{ while(q->data!=y && q->next!=0)
             q=q->next;
          if(q->next!=0)
              return q;
          else printf("mei you zhao dao ni yao de yuan shu\n");}}


main()
{list1 *l,*t;
 int i=5;
 l=creat();
 t=search(l,i);
 printf("%d\n",t->data);}