extern void incmasterw(const char *arg); /* increments the master width with arg's index value */
extern void incnmaster(const char *arg); /* increments nmaster with arg's index value */
extern void initlayouts(void); /* initialize layout array */
extern Client *nexttiled(Client *c); /* returns tiled successor of c */
extern void restack(void); /* restores z layers of all clients */
extern void setlayout(const char *arg); /* sets layout, -1 toggles */
extern void incmasterw(const char *arg); /* increments the master width with arg's index value */
extern void incnmaster(const char *arg); /* increments nmaster with arg's index value */
extern void initlayouts(void); /* initialize layout array */
extern Client *nexttiled(Client *c); /* returns tiled successor of c */
extern void restack(void); /* restores z layers of all clients */
extern void setlayout(const char *arg); /* sets layout, -1 toggles */