extern buffer_struct *ftape_get_buffer (ft_buffer_queue_t pos);
extern int ftape_buffer_id (ft_buffer_queue_t pos);
extern void ftape_reset_buffer(void);
-extern int ftape_read_id(void);
extern void ftape_tape_parameters(__u8 drive_configuration);
extern int ftape_wait_segment(buffer_state_enum state);
extern int ftape_dumb_stop(void);