pub unsafe extern "C" fn CFRunLoopContainsObserver(
rl: CFRunLoopRef,
observer: CFRunLoopObserverRef,
mode: CFRunLoopMode,
) -> BooleanExpand description
Apple SDK function CFRunLoopContainsObserver.
pub unsafe extern "C" fn CFRunLoopContainsObserver(
rl: CFRunLoopRef,
observer: CFRunLoopObserverRef,
mode: CFRunLoopMode,
) -> BooleanApple SDK function CFRunLoopContainsObserver.