snd_seq_expand_var_event
int snd_seq_expand_var_event(const struct snd_seq_event *event, int count, char *buf,
err = snd_seq_expand_var_event(&cell->event, count,
EXPORT_SYMBOL(snd_seq_expand_var_event);
len = snd_seq_expand_var_event(ev, sizeof(sysexbuf), sysexbuf, 1, 0);
return snd_seq_expand_var_event(ev, count, buf, 1, 0);