/*
 * Accord Software, Inc.
 *
 * Tutorial 06
 */

#define CIRC_PROGNUM    0x20000000 + 6
#define CIRC_VERSNUM    1

#define FORWARD         1
#define BACKWARD        2

struct list1 {
	int number;
	struct list1 *next;
};

struct list2 {
	int number;
	struct list2 *next;
	struct list2 *prev;
};