-seq_oss_writeq_t *snd_seq_oss_writeq_new(seq_oss_devinfo_t *dp, int maxlen);
-void snd_seq_oss_writeq_delete(seq_oss_writeq_t *q);
-void snd_seq_oss_writeq_clear(seq_oss_writeq_t *q);
-int snd_seq_oss_writeq_sync(seq_oss_writeq_t *q);
-void snd_seq_oss_writeq_wakeup(seq_oss_writeq_t *q, abstime_t time);
-int snd_seq_oss_writeq_get_free_size(seq_oss_writeq_t *q);
-void snd_seq_oss_writeq_set_output(seq_oss_writeq_t *q, int size);
+struct seq_oss_writeq *snd_seq_oss_writeq_new(struct seq_oss_devinfo *dp, int maxlen);
+void snd_seq_oss_writeq_delete(struct seq_oss_writeq *q);
+void snd_seq_oss_writeq_clear(struct seq_oss_writeq *q);
+int snd_seq_oss_writeq_sync(struct seq_oss_writeq *q);
+void snd_seq_oss_writeq_wakeup(struct seq_oss_writeq *q, abstime_t time);
+int snd_seq_oss_writeq_get_free_size(struct seq_oss_writeq *q);
+void snd_seq_oss_writeq_set_output(struct seq_oss_writeq *q, int size);