#define OUTLINE_PIECE 1
#define WHITE_PIECE 2
+/* Some definitions required by MSVC 4.1 */
+#ifndef WM_MOUSEWHEEL
+#define WM_MOUSEWHEEL 0x020A
+#endif
+#ifndef SCF_DEFAULT
+#define SCF_DEFAULT 0x0000
+#define SCF_ALL 0x0004
+#endif
+
#define COPY_TMP "wbcopy.tmp"
#define PASTE_TMP "wbpaste.tmp"