--- mstools/samples/console/flush.c	2018/08/09 18:20:36	1.1
+++ mstools/samples/console/flush.c	2018/08/09 18:23:15	1.1.1.3
@@ -1,3 +1,14 @@
+
+/******************************************************************************\
+*       This is a part of the Microsoft Source Code Samples. 
+*       Copyright (C) 1993 Microsoft Corporation.
+*       All rights reserved. 
+*       This source code is only intended as a supplement to 
+*       Microsoft Development Tools and/or WinHelp documentation.
+*       See these sources for detailed information regarding the 
+*       Microsoft samples programs.
+\******************************************************************************/
+
 #include <windows.h>
 #include "console.h"
 
@@ -23,7 +34,7 @@ void demoFlush(HANDLE hConOut)
 
   setConTitle(__FILE__);
   hStdIn = GetStdHandle(STD_INPUT_HANDLE);
-  PERR((int) hStdIn != -1, "GetStdHandle");
+  PERR(hStdIn != INVALID_HANDLE_VALUE, "GetStdHandle");
   myPuts(hConOut, "Type a number of characters quickly. I will read 5\n"
                   "characters from the input buffer with a Sleep() delay\n"
                   "which will allow it to fill with characters. After 5\n"