+
+(define (get-video-driver device)
+ (ffi:get-video-driver device))
+
+(define (get-scene-manager device)
+ (ffi:get-scene-manager device))
+
+(define (set-window-caption! device text)
+ (ffi:set-window-caption device (string->pointer text)))
+
+(define (device-run? device)
+ (if (> (ffi:run device) 0) #t #f))
+
+(define (device-drop! device)
+ (if (> (ffi:drop device) 0) #t #f))