+ (let* ((createDevice (get-irrlicht-proc "createDevice"))
+ (device-pointer (createDevice device-type window-size bits fullscreen stencilbuffer
+ vsync receiver)))
+ (cond ((null-pointer? device-pointer)
+ (error "In procedure create-device: Device cannot be created"))
+ (else
+ (make <irrlicht-device> #:irr-pointer device-pointer)))))