Item* Remove(List *list, int index)
{
	Item *p = GetItem(list, index);

    if (list->head == NULL || p == NULL)
        return p;

    if (list->head == p)
        list->head = p->next;

    if (list->tail == p)
        list->tail = p->prev;

    if (p->next != NULL)
        p->next->prev = p->prev;

    if (p->prev != NULL)
        p->prev->next = p->next;

	return p;
}