Type Alias fc2BusEventCallback 

pub type fc2BusEventCallback = Option<unsafe extern "C" fn(pParameter: *mut c_void, serialNumber: c_uint)>;

Aliased Type

pub enum fc2BusEventCallback {
    None,
    Some(unsafe extern "C" fn(*mut c_void, u32)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, u32))

Some value of type T.