反转单向链表

LinkList reverse(LinkList L)
{
	if(L == NULL )
		return NULL;
	LinkList curr,pnext;
	curr = L->next;
	while(curr->next != NULL)
	{
		pnext = curr->next;
		curr->next = pnext->next;
		pnext->next = curr;
		L->next = pnext;
	}
	return L;

}