snd_seq_queue_client  604 include/uapi/sound/asequencer.h #define SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT	_IOWR('S', 0x49, struct snd_seq_queue_client)
snd_seq_queue_client  605 include/uapi/sound/asequencer.h #define SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT	_IOW ('S', 0x4a, struct snd_seq_queue_client)