tag	line	file	source code
CREAD	1460	kernel/chr_drv/tty_io.c	tp->c_cflag = B38400 | CS8 | CREAD;
CREAD	1464	kernel/chr_drv/tty_io.c	tp->c_cflag = B2400 | CS8 | CREAD | HUPCL | CLOCAL;
CREAD	1466	kernel/chr_drv/tty_io.c	tp->c_cflag = B9600 | CS8 | CREAD;
CREAD	1470	kernel/chr_drv/tty_io.c	tp->c_cflag = B38400 | CS8 | CREAD;