extern GtkWidget * xg_win_to_widget (Display *dpy, Window wdesc);
extern void xg_display_open (char *display_name, Display **dpy);
extern void xg_display_close (Display *dpy);
extern GdkCursor * xg_create_default_cursor (Display *dpy);
extern GtkWidget * xg_win_to_widget (Display *dpy, Window wdesc);
extern void xg_display_open (char *display_name, Display **dpy);
extern void xg_display_close (Display *dpy);
extern GdkCursor * xg_create_default_cursor (Display *dpy);