-extern void update_name(Client *c);
-extern void draw_client(Client *c);
-extern void resize(Client *c);
-extern void update_size(Client *c);
-extern Client *gettitle(Window w);
-extern void craise(Client *c);
-extern void lower(Client *c);
-extern void ckill(Arg *arg);
-extern void nextc(Arg *arg);
-extern void prevc(Arg *arg);
-extern void max(Arg *arg);
-extern void floating(Arg *arg);
-extern void tiling(Arg *arg);
-extern void tag(Arg *arg);
-extern void view(Arg *arg);
-extern void zoom(Arg *arg);