Type Alias CFFileDescriptorCallBack 

pub type CFFileDescriptorCallBack = Option<unsafe extern "C" fn(f: CFFileDescriptorRef, callBackTypes: CFOptionFlags, info: *mut c_void)>;

Apple SDK type alias CFFileDescriptorCallBack.

Aliased Type

pub enum CFFileDescriptorCallBack {
    None,
    Some(unsafe extern "C" fn(*mut __CFFileDescriptor, u64, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut __CFFileDescriptor, u64, *mut c_void))

Some value of type T.