pub unsafe extern "C" fn SBCommunicationWrite(
instance: SBCommunicationRef,
src: *mut c_void,
src_len: usize,
status: *mut ConnectionStatus,
) -> usizepub unsafe extern "C" fn SBCommunicationWrite(
instance: SBCommunicationRef,
src: *mut c_void,
src_len: usize,
status: *mut ConnectionStatus,
) -> usize