extern void cmgoto (struct tty_display_info *, int, int);
extern void Wcm_clear (struct tty_display_info *);
extern int Wcm_init (struct tty_display_info *);
extern void cmgoto (struct tty_display_info *, int, int);
extern void Wcm_clear (struct tty_display_info *);
extern int Wcm_init (struct tty_display_info *);