extern void incnmaster(Arg *arg); /* increments nmaster with arg's index value */
extern void initlayouts(void); /* initialize layout array */
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 incnmaster(Arg *arg); /* increments nmaster with arg's index value */
extern void initlayouts(void); /* initialize layout array */
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 */