snd_seq_oss_process_event
int snd_seq_oss_process_event(struct seq_oss_devinfo *dp, union evrec *q, struct snd_seq_event *ev);
if (! snd_seq_oss_process_event(dp, (union evrec *)ev, &tmpev)) {
if (snd_seq_oss_process_event(dp, rec, &event))