taglinefilesource code
CREAD228drivers/char/pty.cpty_driver.init_termios.c_cflag = B38400 | CS8 | CREAD;
CREAD250drivers/char/pty.cpty_slave_driver.init_termios.c_cflag = B38400 | CS8 | CREAD;
CREAD2380drivers/char/serial.cB9600 | CS8 | CREAD | HUPCL | CLOCAL;
CREAD1662drivers/char/tty_io.ctty_std_termios.c_cflag = B38400 | CS8 | CREAD;
CREAD156include/linux/tty.h#define C_CREAD(tty)  _C_FLAG((tty),CREAD)