Migrate AR subsystem to C++

sdk/xtdk/i686/hlfuncs.h

@@ -16,28 +16,34 @@
 
 
 /* HAL library routines forward references */
+XTCLINK
 XTCDECL
 UCHAR
 HlIoPortInByte(IN USHORT Port);
 
+XTCLINK
 XTCDECL
 ULONG
 HlIoPortInLong(IN USHORT Port);
 
+XTCLINK
 XTCDECL
 USHORT
 HlIoPortInShort(IN USHORT Port);
 
+XTCLINK
 XTCDECL
 VOID
 HlIoPortOutByte(IN USHORT Port,
                 IN UCHAR Data);
 
+XTCLINK
 XTCDECL
 VOID
 HlIoPortOutLong(IN USHORT Port,
                 IN ULONG Value);
 
+XTCLINK
 XTCDECL
 VOID
 HlIoPortOutShort(IN USHORT Port,