static void rng_egd_class_init(ObjectClass *klass, void *data)
{
    RngBackendClass *rbc = RNG_BACKEND_CLASS(klass);

    rbc->request_entropy = rng_egd_request_entropy;
    rbc->opened = rng_egd_opened;
}
static void rng_egd_class_init(ObjectClass *klass, void *data)
{
    RngBackendClass *rbc = RNG_BACKEND_CLASS(klass);

    rbc->request_entropy = rng_egd_request_entropy;
    rbc->opened = rng_egd_opened;
}