snd_seq_usage 61 sound/core/seq/seq_clientmgr.c static struct snd_seq_usage client_usage; snd_seq_usage 202 sound/core/seq/seq_clientmgr.c static void usage_alloc(struct snd_seq_usage *res, int num) snd_seq_usage 209 sound/core/seq/seq_clientmgr.c static void usage_free(struct snd_seq_usage *res, int num)