$NetBSD: patch-ba,v 1.1 2006/10/18 13:11:59 rillig Exp $

SunPro interprets the original code as "extern C" pointer to "extern C"
functions, which conflicts with the definition of the functions.

--- apu.h.orig	2004-12-30 23:15:47.000000000 +0100
+++ apu.h	2006-10-18 13:50:59.265817188 +0200
@@ -150,6 +150,9 @@ STATIC inline void S9xAPUPackStatus()
 		      (IAPU._Zero & 0x80) | (IAPU._Overflow << 6);
 }
 
+/* Note: This must be outside the "extern" block. */
+typedef void (*S9xApuOpcodeFunction)(void);
+
 START_EXTERN_C
 void S9xResetAPU (void);
 bool8 S9xInitAPU ();
@@ -167,7 +170,7 @@ void S9xOpenCloseSoundTracingFile (bool8
 void S9xPrintAPUState ();
 extern int32 S9xAPUCycles [256];	// Scaled cycle lengths
 extern int32 S9xAPUCycleLengths [256];	// Raw data.
-extern void (*S9xApuOpcodes [256]) (void);
+extern S9xApuOpcodeFunction S9xApuOpcodes[256];
 END_EXTERN_C