Function CFUserNotificationCreateRunLoopSource 

pub unsafe extern "C-unwind" fn CFUserNotificationCreateRunLoopSource(
    allocator: Option<&CFAllocator>,
    user_notification: Option<&CFUserNotification>,
    callout: CFUserNotificationCallBack,
    order: CFIndex,
) -> Option<CFRetained<CFRunLoopSource>>

👎Deprecated: renamed to CFUserNotification::new_run_loop_source

Available on crate features CFRunLoop and CFUserNotification only.