Type Alias PRELEASE_FROM_READ_AHEAD 

pub type PRELEASE_FROM_READ_AHEAD = Option<unsafe extern "system" fn(context: *const c_void)>;

Aliased Type

pub enum PRELEASE_FROM_READ_AHEAD {
    None,
    Some(unsafe extern "system" fn(*const c_void)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(*const c_void))

Some value of type T.