Function clutter_sys::clutter_keyframe_transition_get_key_frame

pub unsafe extern "C" fn clutter_keyframe_transition_get_key_frame(
    transition: *mut ClutterKeyframeTransition, 
    index_: c_uint, 
    key: *mut c_double, 
    mode: *mut ClutterAnimationMode, 
    value: *mut GValue
)