--- mstools/h/dde.h	2018/08/09 18:21:04	1.1.1.3
+++ mstools/h/dde.h	2018/08/09 18:22:58	1.1.1.4
@@ -5,6 +5,10 @@
 #include <windef.h>
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* DDE window messages */
 
 #define WM_DDE_FIRST	    0x03E0
@@ -119,21 +123,34 @@ typedef struct {
 	BYTE	 rgb[1];
 } DDEUP;
 
+
 /*
- * dde-specific access flags
+ * DDE SECURITY
  */
-#define DDE_ADVISE                  0x0001L
-#define DDE_EXECUTE                 0x0002L
-#define DDE_POKE                    0x0004L
-#define DDE_REQUEST                 0x0008L
 
+BOOL
+WINAPI
+DdeSetQualityOfService(
+    HWND hwndClient,
+    CONST SECURITY_QUALITY_OF_SERVICE *pqosNew,
+    PSECURITY_QUALITY_OF_SERVICE pqosPrev);
+
+BOOL
+WINAPI
+ImpersonateDdeClientWindow(
+    HWND hWndClient,
+    HWND hWndServer);
 
-//
-// DDE message packing APIs
-//
+/*
+ * DDE message packing APIs
+ */
 LONG APIENTRY PackDDElParam(UINT msg, UINT uiLo, UINT uiHi);
 BOOL APIENTRY UnpackDDElParam(UINT msg, LONG lParam, PUINT puiLo, PUINT puiHi);
 BOOL APIENTRY FreeDDElParam(UINT msg, LONG lParam);
 LONG APIENTRY ReuseDDElParam(LONG lParam, UINT msgIn, UINT msgOut, UINT uiLo, UINT uiHi);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // _DDEHEADER_INCLUDED_