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CREAD1660drivers/char/tty_io.ctp->c_cflag = B38400 | CS8 | CREAD;
CREAD1664drivers/char/tty_io.ctp->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
CREAD1667drivers/char/tty_io.ctp->c_cflag = B9600 | CS8 | CREAD;
CREAD1671drivers/char/tty_io.ctp->c_cflag = B38400 | CS8 | CREAD;