add wrapper code for the VkKeyScan functions around 
VkKeyScanExW and GetKeyboardLayout. 
(Both still need to be implemented)

reactos/lib/user32/windows

diff -u -r1.25 -r1.26
--- input.c	15 Aug 2004 21:36:29 -0000	1.25
+++ input.c	11 Dec 2004 18:43:06 -0000	1.26
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: input.c,v 1.25 2004/08/15 21:36:29 chorns Exp $

+/* $Id: input.c,v 1.26 2004/12/11 18:43:06 sedwards Exp $

  *
  * PROJECT:         ReactOS user32.dll
  * FILE:            lib/user32/windows/input.c

@@ -478,25 +478,33 @@

 
 
 /*

- * @unimplemented

+ * @implemented

  */
 SHORT STDCALL
 VkKeyScanA(CHAR ch)
 {

-  UNIMPLEMENTED;
-  return 0;

+  WCHAR wChar;
+
+  if (IsDBCSLeadByte(ch)) return -1;
+
+  MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wChar, 1);
+  return VkKeyScanW(wChar);

 }
 
 
 /*

- * @unimplemented

+ * @implemented

  */
 SHORT STDCALL
 VkKeyScanExA(CHAR ch,
 	     HKL dwhkl)
 {

-  UNIMPLEMENTED;
-  return 0;

+  WCHAR wChar;
+
+  if (IsDBCSLeadByte(ch)) return -1;
+
+  MultiByteToWideChar(CP_ACP, 0, &ch, 1, &wChar, 1);
+  return VkKeyScanExW(wChar, dwhkl);

 }
 
 

@@ -508,18 +516,17 @@

 	     HKL dwhkl)
 {
   UNIMPLEMENTED;

-  return 0;

+  return -1;

 }
 
 
 /*

- * @unimplemented

+ * @implemented

  */
 SHORT STDCALL
 VkKeyScanW(WCHAR ch)
 {

-  UNIMPLEMENTED;
-  return 0;

+  return VkKeyScanExW(ch, GetKeyboardLayout(0));

 }