+extern XRectangle rect, barrect;
+extern Bool running;
+extern Bool grid;
+extern void (*handler[LASTEvent]) (XEvent *);
+
+extern int screen, sel_screen;
+extern char *bartext, tag[256];
+
+extern Brush brush;
+extern Client *client;
+
+/* bar.c */
+extern void draw_bar();
+
+/* cmd.c */
+extern void run(char *arg);
+
+/* client.c */
+extern Client *create_client(Window w, XWindowAttributes *wa);
+extern void manage(Client *c);
+
+/* key.c */
+extern void update_keys();