p->rear->next=s;

 p->rear=s;

程序代码：

void EnQueue(LinkQueue *q,Elemtype e)
{
   QueueNode *s;
   s=(QueueNode *)malloc(sizeof(QueueNode));
   s->data=e;
   s->next=NULL;
   q->rear->next=s;
   q->rear=s;
}