Type Alias CMBufferGetSizeCallback 

pub type CMBufferGetSizeCallback = Option<unsafe extern "C" fn(buf: CMBufferRef, refcon: *mut c_void) -> usize>;

Apple SDK type alias CMBufferGetSizeCallback.

Aliased Type

pub enum CMBufferGetSizeCallback {
    None,
    Some(unsafe extern "C" fn(*const c_void, *mut c_void) -> usize),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*const c_void, *mut c_void) -> usize)

Some value of type T.