ossl_quic_obj_get0_engine
qeng = ossl_quic_obj_get0_engine(ctx->obj);
ossl_quic_engine_update_poll_descriptors(ossl_quic_obj_get0_engine(obj),
? ossl_quic_obj_get0_engine(obj)
return ossl_quic_engine_get0_mutex(ossl_quic_obj_get0_engine(obj));
return ossl_quic_engine_get0_reactor(ossl_quic_obj_get0_engine(obj));
return ossl_quic_engine_get0_libctx(ossl_quic_obj_get0_engine(obj));
return ossl_quic_engine_get0_propq(ossl_quic_obj_get0_engine(obj));