tag	line	file	source code
hndlr	98	drivers/sound/sound_calls.h	int snd_set_irq_handler (int interrupt_level, void(*hndlr)(int));
hndlr	542	drivers/sound/soundcard.c	snd_set_irq_handler (int interrupt_level, void(*hndlr)(int))
hndlr	548	drivers/sound/soundcard.c	sa.sa_handler = hndlr;