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 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);