tag	line	file	source code
CHARS	64	drivers/char/pty.c	count = MIN(CHARS(fq), LEFT(tq));
CHARS	521	drivers/char/tty_ioctl.c	put_fs_long(CHARS(&tty->write_q),
CHARS	533	drivers/char/tty_ioctl.c	put_fs_long(CHARS(&tty->secondary),