--- uae/src/include/os.h	2018/04/24 16:38:39	1.1
+++ uae/src/include/os.h	2018/04/24 16:39:28	1.1.1.2
@@ -21,9 +21,20 @@ extern int sound_available;
 extern int joystickpresent;
 
 extern int init_sound (void);
+extern void close_sound (void);
 
+#ifndef DONT_WANT_SOUND
 extern void aud0_handler(void);
 extern void aud1_handler(void);
 extern void aud2_handler(void);
 extern void aud3_handler(void);
+extern void sample16_handler (void);
+extern void sample8_handler (void);
+#endif
+extern UWORD *sndbufpt;
+extern int sndbufsize;
+extern void init_sound_table16(void);
+extern void init_sound_table8(void);
+
 extern void AUDxDAT(int nr, UWORD value);
+