-extern void run(char *arg);
-extern void quit(char *arg);
+extern void run(void *aux);
+extern void quit(void *aux);
+extern void kill(void *aux);
extern Client *getclient(Window w);
extern void focus(Client *c);
extern void update_name(Client *c);
extern Client *getclient(Window w);
extern void focus(Client *c);
extern void update_name(Client *c);