-extern void initRetainerProfiling ( void );
-extern void endRetainerProfiling ( void );
-extern void printRetainer ( FILE *, retainer );
-extern void retainerProfile ( void );
-extern void resetStaticObjectForRetainerProfiling( StgClosure *static_objects );
+BEGIN_RTS_PRIVATE
+
+void initRetainerProfiling ( void );
+void endRetainerProfiling ( void );
+void retainerProfile ( void );
+void resetStaticObjectForRetainerProfiling( StgClosure *static_objects );