extern const char *tags[]; /* all tags */
extern char stext[256]; /* status text */
-extern int screen, sw, sh; /* screen geometry */
+extern int screen, sx, sy, sw, sh; /* screen geometry */
extern int wax, way, wah, waw; /* windowarea geometry */
extern unsigned int bh, blw; /* bar height, bar layout label width */
extern unsigned int master, nmaster; /* master percent, number of master clients */