-extern int mw, screen, sx, sy, sw, sh; /* screen geometry, master width */
-extern unsigned int ntags, numlockmask; /* number of tags, dynamic lock mask */
+extern int screen, sx, sy, sw, sh; /* screen geometry */
+extern int wax, way, wah, waw; /* windowarea geometry */
+extern unsigned int master, ntags, numlockmask; /* master percent, number of tags, dynamic lock mask */