Type Alias rbd_callback_t 

pub type rbd_callback_t = Option<unsafe extern "C" fn(cb: rbd_completion_t, arg: *mut c_void)>;

Aliased Type

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

Variants

None

No value.

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

Some value of type T.