--- mstools/samples/rpc/handles/usrdef/usrdef.idl	2018/08/09 18:20:56	1.1.1.1
+++ mstools/samples/rpc/handles/usrdef/usrdef.idl	2018/08/09 18:24:18	1.1.1.3
@@ -1,17 +1,23 @@
-[ uuid (12345678-1234-1234-1234-123456789ABC),
+[ uuid (85D7D1C0-CA47-1067-B31E-00DD010662DA),
   version(1.0),
-  pointer_default(unique)]
+  pointer_default(unique)
+]
 interface usrdef
 {
 
-typedef [handle] struct _DATA_HANDLE_TYPE {
-    char * pszUuid;
-    char * pszProtocolSequence;
-    char * pszNetworkAddress;
-    char * pszEndpoint;
-    char * pszOptions;
-} DATA_HANDLE_TYPE;
+typedef struct _DATA_TYPE {
+    unsigned char * pszUuid;
+    unsigned char * pszProtocolSequence;
+    unsigned char * pszNetworkAddress;
+    unsigned char * pszEndpoint;
+    unsigned char * pszOptions;
+} DATA_TYPE;
+
+typedef [handle] DATA_TYPE *DATA_HANDLE_TYPE;
+
+void UsrdefProc([in]	     DATA_HANDLE_TYPE  hBinding,
+		[in, string] unsigned char     *pszString);
+
+void Shutdown([in] DATA_HANDLE_TYPE  hBinding);
 
-void UsrdefProc([in] DATA_HANDLE_TYPE hBinding, [in, string] char * pszString);
-void Shutdown([in] DATA_HANDLE_TYPE hBinding);
 }