-PUBLIC unsigned char _alsa_init (const char *, audioCtxHandleT *);
-PUBLIC void _alsa_free (const char *);
-PUBLIC void _alsa_play (int);
-PUBLIC void _alsa_stop (int);
-PUBLIC unsigned int _alsa_get_volume (int, unsigned int);
-PUBLIC void _alsa_set_volume (int, unsigned int, unsigned int);
-PUBLIC void _alsa_set_volume_all (int, unsigned int);
-PUBLIC unsigned char _alsa_get_mute (int);
-PUBLIC void _alsa_set_mute (int, unsigned char);
-PUBLIC void _alsa_set_channels (int, unsigned int);
-STATIC void* _alsa_play_thread_fn (void *);
-
-static struct dev_ctx_alsa **dev_ctx_a = NULL;
+unsigned char _alsa_init (const char *, audioCtxHandleT *);
+void _alsa_free (const char *);
+void _alsa_play (int);
+void _alsa_stop (int);
+unsigned int _alsa_get_volume (int, unsigned int);
+void _alsa_set_volume (int, unsigned int, unsigned int);
+void _alsa_set_volume_all (int, unsigned int);
+unsigned char _alsa_get_mute (int);
+void _alsa_set_mute (int, unsigned char);
+void _alsa_set_channels (int, unsigned int);
+
+void* _alsa_play_thread_fn (void *);