diff --git a/harbour/include/hbapigt.h b/harbour/include/hbapigt.h
index 96652c0ba7..4fc88dd54f 100644
--- a/harbour/include/hbapigt.h
+++ b/harbour/include/hbapigt.h
@@ -192,6 +192,9 @@ extern USHORT hb_gtWrite( BYTE * pbyStr, ULONG ulLen );
 extern USHORT hb_gtWriteAt( USHORT uiRow, USHORT uiCol, BYTE * pbyStr, ULONG ulLen );
 extern USHORT hb_gtWriteCon( BYTE * pbyStr, ULONG ulLen );
 extern char * hb_gtVersion( void );
+#define hb_gtOutStd( pbyStr, ulLen ) hb_gt_OutStd( pbyStr, ulLen )
+#define hb_gtOutErr( pbyStr, ulLen ) hb_gt_OutErr( pbyStr, ulLen )
+
 
 /* Undocumented CA-Clipper 5.x GT API calls */
 
@@ -256,6 +259,9 @@ extern void   hb_gt_SetPos( SHORT iRow, SHORT iCol, SHORT iMethod );
 extern void   hb_gt_Tone( double dFrequency, double dDuration );
 extern char * hb_gt_Version( void );
 extern USHORT hb_gt_VertLine( SHORT uiCol, SHORT uiTop, SHORT uiBottom, BYTE byChar, BYTE byAttr );
+extern void   hb_gt_OutStd( BYTE * pbyStr, ULONG ulLen );
+extern void   hb_gt_OutErr( BYTE * pbyStr, ULONG ulLen );
+
 
 /* Keyboard related declarations */