diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index 5c5c5b4735..4cb5477b6c 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -17,6 +17,11 @@
    past entries belonging to author(s): Viktor Szakats.
 */
 
+2010-03-11 22:16 UTC+0100 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
+  * harbour/include/hbstack.h
+    * added HB_EXPORT to some hb_stack*() functions which can be needed
+      for non core code
+
 2010-03-11 21:16 UTC+0100 Viktor Szakats (harbour.01 syenar.hu)
   * src/rtl/filesys.c
     + Using direct Windows API instead of compiler specific
diff --git a/harbour/include/hbstack.h b/harbour/include/hbstack.h
index ee1f0304a0..d9e776e64a 100644
--- a/harbour/include/hbstack.h
+++ b/harbour/include/hbstack.h
@@ -268,39 +268,39 @@ typedef struct
 
 #endif /* _HB_API_INTERNAL_ */
 
+HB_EXPORT extern void *      hb_stackId( void );
 HB_EXPORT extern HB_ITEM_PTR hb_stackItemFromTop( int nFromTop );
-extern HB_ITEM_PTR hb_stackItemFromBase( int nFromBase );
-extern HB_LONG     hb_stackTopOffset( void );
-extern HB_LONG     hb_stackBaseOffset( void );
-extern HB_LONG     hb_stackTotalItems( void );
-extern HB_ITEM_PTR hb_stackBaseItem( void );
-extern HB_ITEM_PTR hb_stackItem( long iItemPos );
-extern HB_ITEM_PTR hb_stackSelfItem( void );   /* returns Self object at C function level */
-extern HB_ITEM_PTR hb_stackReturnItem( void ); /* returns RETURN Item from stack */
-extern char *      hb_stackDateBuffer( void );
-extern void *      hb_stackId( void );
+HB_EXPORT extern HB_ITEM_PTR hb_stackItemFromBase( int nFromBase );
+HB_EXPORT extern HB_ITEM_PTR hb_stackBaseItem( void );
+HB_EXPORT extern HB_ITEM_PTR hb_stackSelfItem( void );   /* returns Self object at C function level */
+HB_EXPORT extern HB_ITEM_PTR hb_stackReturnItem( void ); /* returns RETURN Item from stack */
 
-HB_EXPORT extern void hb_stackPop( void );     /* pops an item from the stack */
-extern void        hb_stackDec( void );        /* pops an item from the stack without clearing it's contents */
-extern void        hb_stackPush( void );       /* pushes an item on to the stack */
-extern HB_ITEM_PTR hb_stackAllocItem( void );  /* allocates new item on the top of stack, returns pointer to it */
+HB_EXPORT extern HB_ITEM_PTR hb_stackAllocItem( void );  /* allocates new item on the top of stack, returns pointer to it */
+HB_EXPORT extern void        hb_stackPop( void );        /* pops an item from the stack */
+extern void        hb_stackPush( void );                 /* pushes an item on to the stack */
 extern void        hb_stackPushReturn( void );
 extern void        hb_stackPopReturn( void );
 extern void        hb_stackRemove( HB_LONG lUntilPos );
 
+extern HB_LONG     hb_stackTopOffset( void );
+extern HB_LONG     hb_stackBaseOffset( void );
+extern HB_LONG     hb_stackTotalItems( void );
+extern HB_ITEM_PTR hb_stackItem( long iItemPos );
+extern char *      hb_stackDateBuffer( void );
+
 /* stack management functions */
-extern int        hb_stackCallDepth( void );
+HB_EXPORT extern int         hb_stackCallDepth( void );
+HB_EXPORT extern void        hb_stackBaseProcInfo( char * szProcName, HB_USHORT * puiProcLine ); /* get current .prg function name and line number */
 extern HB_LONG    hb_stackBaseProcOffset( int iLevel );
-extern void       hb_stackBaseProcInfo( char * szProcName, HB_USHORT * puiProcLine ); /* get current .prg function name and line number */
 extern void       hb_stackDispCall( void );
 extern void       hb_stackFree( void );       /* releases all memory used by the stack */
 extern void       hb_stackInit( void );       /* initializes the stack */
 extern void       hb_stackIncrease( void );   /* increase the stack size */
 
 /* thread specific data */
-extern void *     hb_stackGetTSD( PHB_TSD pTSD );
-extern void *     hb_stackTestTSD( PHB_TSD pTSD );
-extern void       hb_stackReleaseTSD( PHB_TSD pTSD );
+HB_EXPORT extern void * hb_stackGetTSD( PHB_TSD pTSD );
+HB_EXPORT extern void * hb_stackTestTSD( PHB_TSD pTSD );
+HB_EXPORT extern void   hb_stackReleaseTSD( PHB_TSD pTSD );
 
 extern char *     hb_stackDirBuffer( void );
 extern PHB_IOERRORS hb_stackIOErrors( void );