-(export create-device get-cursor-control get-file-system get-gui-environment get-scene-manager
- get-video-driver is-window-active? run set-window-caption! yield-device)
+(export <irrlicht-device> create-device get-cursor-control get-file-system get-gui-environment
+ get-scene-manager get-video-driver is-window-active? run set-window-caption! yield-device)