SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT
while (snd_seq_kernel_client_ctl(client, SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT, clinfo) == 0) {
{ SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT, snd_seq_ioctl_query_next_client },
case SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT: