extern Window root, barwin;
/* client.c */
+extern void attach(Client *c); /* attaches c to global client list */
extern void configure(Client *c); /* send synthetic configure event */
+extern void detach(Client *c); /* detaches c from global client list */
extern void focus(Client *c); /* focus c, c may be NULL */
extern void killclient(Arg arg); /* kill c nicely */
extern void manage(Window w, XWindowAttributes *wa); /* manage new client */