tag	line	file	source code
HUPCL	597	kernel/chr_drv/serial.c	if (info->tty && !(info->tty->termios->c_cflag & HUPCL))
HUPCL	1488	kernel/chr_drv/tty_io.c	tp->c_cflag = B2400 | CS8 | CREAD | HUPCL | CLOCAL;