tag	line	file	source code
AUX_INPUT_PORT	150	drivers/char/psaux.c	return (inb(AUX_INPUT_PORT));
AUX_INPUT_PORT	200	drivers/char/psaux.c	queue->buf[head] = inb(AUX_INPUT_PORT);
AUX_INPUT_PORT	490	drivers/char/psaux.c	inb_p(AUX_INPUT_PORT);