pub unsafe extern "C" fn coap_add_data_large_response(
    resource: *mut coap_resource_t,
    session: *mut coap_session_t,
    request: *const coap_pdu_t,
    response: *mut coap_pdu_t,
    query: *const coap_string_t,
    media_type: u16,
    maxage: c_int,
    etag: u64,
    length: usize,
    data: *const u8,
    release_func: coap_release_large_data_t,
    app_ptr: *mut c_void
) -> c_int