-static void lookup_voices(snd_emux_t *emu, emu10k1_t *hw, best_voice_t *best, int active_only);
-static snd_emux_voice_t *get_voice(snd_emux_t *emu, snd_emux_port_t *port);
-static int start_voice(snd_emux_voice_t *vp);
-static void trigger_voice(snd_emux_voice_t *vp);
-static void release_voice(snd_emux_voice_t *vp);
-static void update_voice(snd_emux_voice_t *vp, int update);
-static void terminate_voice(snd_emux_voice_t *vp);
-static void free_voice(snd_emux_voice_t *vp);
-
-static void set_fmmod(emu10k1_t *hw, snd_emux_voice_t *vp);
-static void set_fm2frq2(emu10k1_t *hw, snd_emux_voice_t *vp);
-static void set_filterQ(emu10k1_t *hw, snd_emux_voice_t *vp);
+static void lookup_voices(struct snd_emux *emu, struct snd_emu10k1 *hw,
+ struct best_voice *best, int active_only);
+static struct snd_emux_voice *get_voice(struct snd_emux *emu,
+ struct snd_emux_port *port);
+static int start_voice(struct snd_emux_voice *vp);
+static void trigger_voice(struct snd_emux_voice *vp);
+static void release_voice(struct snd_emux_voice *vp);
+static void update_voice(struct snd_emux_voice *vp, int update);
+static void terminate_voice(struct snd_emux_voice *vp);
+static void free_voice(struct snd_emux_voice *vp);
+
+static void set_fmmod(struct snd_emu10k1 *hw, struct snd_emux_voice *vp);
+static void set_fm2frq2(struct snd_emu10k1 *hw, struct snd_emux_voice *vp);
+static void set_filterQ(struct snd_emu10k1 *hw, struct snd_emux_voice *vp);