(define-external make-display display)
(define-external make-screen objects)
(define-external make-window window)
(define-external make-colormap colormap)
(define-external make-gc gc)
(define-external make-visual objects)
(define-external make-drawable objects)
(define-external make-pixmap drawable)
(define-external make-font objects)
(define-external make-cursor objects)