--- a/dwm.h	Mon Feb 19 15:57:08 2007 +0100
+++ b/dwm.h	Mon Feb 19 16:04:38 2007 +0100
@@ -105,7 +105,7 @@
 extern void focusprev(Arg *arg);		/* focuses previous visible client, arg is ignored */
 extern void killclient(Arg *arg);		/* kill c nicely */
 extern void manage(Window w, XWindowAttributes *wa);	/* manage new client */
-Client *nexttiled(Client *c);			/* returns tiled successor of c */
+extern Client *nexttiled(Client *c);		/* returns tiled successor of c */
 extern void resize(Client *c, int x, int y,
 		int w, int h, Bool sizehints);	/* resize with given coordinates c*/
 extern void updatesizehints(Client *c);		/* update the size hint variables of c */