链表猴子吃桃

#include<stdio.h>
#include<stdlib.h>
#define NULL 0
typedef struct linknode
{
   int data;
   struct linknode *next;
}node;
 node *head;
 void creat()
{
  node *p,*s;
  int peaches=1;
  int day=10;
  head=(node*)malloc(sizeof(node));
  p=head;
  while(day>0)
{
   s=(node*)malloc(sizeof(node));
  s->data=peaches;
  p->next=s;
  p=s;
  peaches=(peaches+1)*2;
  day--;
}
   p->next=NULL;
    p=head;
   head=head->next;
   free(p);
}
  void print()
{
   node *p;
    p=head;
  int day=10;
  while(p&&day>0)
{printf("%d:%d\n",day,p->data);
   p=p->next;
  day--;
}
}
  void main()
{
    creat();
   print();
}



在print函数一直有错 怎么回事