pub unsafe extern "C" fn FSEventStreamCreateRelativeToDevice(
allocator: CFAllocatorRef,
callback: FSEventStreamCallback,
context: *const FSEventStreamContext,
deviceToWatch: dev_t,
pathsToWatchRelativeToDevice: CFArrayRef,
sinceWhen: FSEventStreamEventId,
latency: CFTimeInterval,
flags: FSEventStreamCreateFlags,
) -> FSEventStreamRef