"synth", S_IRUSR | S_IWUSR); 
"synth", S_IRUSR | S_IWUSR, NULL); 
int register_sound_synth(struct file_operations *fops, int dev){	return sound_insert_unit(&chains[9], fops, dev, 9, 137,				 "synth", S_IRUSR | S_IWUSR);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/d568121ce3151c36cc4718dd4e977f217c6144c2/sound_core.c/clean/sound/sound_core.c