Something

{
	variable Node new_node;
	variable Integer i;
	
	new_node = new Node_Rep;
	new_node->value &= x;
	
	if (head == NULL) {
		head = new_node;
	} else {
		variable Node p;
		
		p = head;
		for (i = 0; i < (position); i++) {
			p = p->next;
		} // end for
		new_node->next = p->next;
		p->next = new_node;
	} // end if
	seq_size++;
} // Add