-extern void focusprev(Arg *arg);
-extern void focusnext(Arg *arg);
-extern void killclient(Arg *arg);
+extern void pop(Client *c);
+extern void resize(Client *c, Bool inc, Corner sticky);
+extern void setsize(Client *c);
+extern void settitle(Client *c);
+extern void unmanage(Client *c);
+extern void zoom(Arg *arg);