Made all 16<->32 HWND conversions use explicit functions instead of
implicit type casts.
Moved a lot of 16-bit functions to the new wnd16.c file.
Changed DIALOGINFO structure handling to support 32-bit handles.
diff --git a/include/winuser.h b/include/winuser.h
index 16beba9..d96b26e 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -1070,12 +1070,9 @@
#define GWL_USERDATA (-21)
#define GWL_EXSTYLE (-20)
#define GWL_STYLE (-16)
-#define GWW_ID (-12)
-#define GWL_ID GWW_ID
-#define GWW_HWNDPARENT (-8)
-#define GWL_HWNDPARENT GWW_HWNDPARENT
-#define GWW_HINSTANCE (-6)
-#define GWL_HINSTANCE GWW_HINSTANCE
+#define GWL_ID (-12)
+#define GWL_HWNDPARENT (-8)
+#define GWL_HINSTANCE (-6)
#define GWL_WNDPROC (-4)
#define DWL_MSGRESULT 0
#define DWL_DLGPROC 4
