--- hatari/src/includes/midi.h	2019/04/01 07:09:16	1.1
+++ hatari/src/includes/midi.h	2019/04/01 07:11:29	1.1.1.2
@@ -1,4 +1,18 @@
 /*
-  Hatari
+  Hatari - midi.h
+
+  This file is distributed under the GNU Public License, version 2 or at
+  your option any later version. Read the file gpl.txt for details.
 */
 
+#ifndef HATARI_MIDI_H
+#define HATARI_MIDI_H
+
+void Midi_Init(void);
+void Midi_UnInit(void);
+Uint8 Midi_ReadControl(void);
+Uint8 Midi_ReadData(void);
+void Midi_WriteControl(Uint8 controlByte);
+void Midi_WriteData(Uint8 dataByte);
+
+#endif