snd_seq_queue_tempo
int snd_seq_set_queue_tempo(int client, struct snd_seq_queue_tempo *tempo);
#define SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO _IOWR('S', 0x41, struct snd_seq_queue_tempo)
#define SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO _IOW ('S', 0x42, struct snd_seq_queue_tempo)
struct snd_seq_queue_tempo tmprec;
struct snd_seq_queue_tempo *tempo = arg;
int snd_seq_set_queue_tempo(int client, struct snd_seq_queue_tempo *tempo)
struct snd_seq_queue_tempo *tempo = arg;
struct snd_seq_queue_tempo tempo;
struct snd_seq_queue_tempo *info)
int snd_seq_queue_timer_set_tempo(int queueid, int client, struct snd_seq_queue_tempo *info);