extern void focus(Client *c); /* focus c, c may be NULL */
extern Client *getclient(Window w); /* return client of w */
extern Bool isprotodel(Client *c); /* returns True if c->win supports wmatom[WMDelete] */
extern void focus(Client *c); /* focus c, c may be NULL */
extern Client *getclient(Window w); /* return client of w */
extern Bool isprotodel(Client *c); /* returns True if c->win supports wmatom[WMDelete] */
extern void dofloat(void); /* arranges all windows floating */
extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */
extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */
extern void dofloat(void); /* arranges all windows floating */
extern void focusnext(Arg *arg); /* focuses next visible client, arg is ignored */
extern void focusprev(Arg *arg); /* focuses previous visible client, arg is ignored */