Function core_foundation_sys::notification_center::CFNotificationCenterAddObserver

source ยท 
pub unsafe extern "C" fn CFNotificationCenterAddObserver(
    center: CFNotificationCenterRef,
    observer: *const c_void,
    callBack: CFNotificationCallback,
    name: CFStringRef,
    object: *const c_void,
    suspensionBehavior: CFNotificationSuspensionBehavior,
)