Type Alias FREE_FUNCTION 

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

Aliased Type

pub enum FREE_FUNCTION {
    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.