void set_val_to_disp(int flag);		// new_play.c
void set_led_blink(int on_off);		// new_play.c
int write_history();			// new_play.c
int read_history();				// new_play.c

void set_standby();
int key_cmd_chk_standby(void);

extern void (*p_ketaswitch)();	// new_play.c

extern int skip_mode;			// key_ctrl.c
extern int continuous_key_on;	// key_ctrl.c

#ifndef TRUE
#define	TRUE	1
#endif

#ifndef FALSE
#define	FALSE	0
#endif

#define	STATE_PLAYING		1
#define	STATE_PAUSE			2
#define	STATE_STANDBY		3

// skip_mode
#define	SKIP_TRACK_FW		1
#define	SKIP_TRACK_BK		-1
#define	SKIP_DIR_10			2
#define	SKIP_DIR_01			-2

// set_val_to_disp
#define	LED_DISP_DIR		0
#define	LED_DISP_TRACK		1