extern Bool isvisible(Client *c); /* returns True if client is visible */
extern void resizemaster(Arg *arg); /* resizes the master percent with arg's index value */
extern void restack(void); /* restores z layers of all clients */
+extern void setlayout(Arg *arg); /* sets layout, -1 toggles */
extern void settags(Client *c, Client *trans); /* sets tags of c */
extern void tag(Arg *arg); /* tags c with arg's index */
extern void toggleversatile(Arg *arg); /* toggles focusesd client between versatile/and non-versatile state */
-extern void togglelayout(Arg *arg); /* toggles layout */
extern void toggletag(Arg *arg); /* toggles c tags with arg's index */
extern void toggleview(Arg *arg); /* toggles the tag with arg's index (in)visible */
extern void versatile(void); /* arranges all windows versatile */