/* RS-485 structures *//* Used with ioctl() TIOCSERSETRS485 for backward compatibility! * XXX: Do not use it for new code! */struct rs485_control {unsigned short rts_on_send;unsigned short rts_after_sent;unsigned long delay_rts_before_send;unsigned short enabled;};/* Used with ioctl() TIOCSERWRRS485 */struct rs485_write {unsigned short outc_size;unsigned char*outc;};