ENGINE_set_flags
if (!ENGINE_set_id(ret, engine_dynamic_id) || !ENGINE_set_name(ret, engine_dynamic_name) || !ENGINE_set_init_function(ret, dynamic_init) || !ENGINE_set_finish_function(ret, dynamic_finish) || !ENGINE_set_ctrl_function(ret, dynamic_ctrl) || !ENGINE_set_flags(ret, ENGINE_FLAGS_BY_ID_COPY) || !ENGINE_set_cmd_defns(ret, dynamic_cmd_defns)) {
if (!ENGINE_set_id(e, engine_e_rdrand_id) || !ENGINE_set_name(e, engine_e_rdrand_name) || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) || !ENGINE_set_init_function(e, rdrand_init) || !ENGINE_set_RAND(e, &rdrand_meth))
|| !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
OSSL_DEPRECATEDIN_3_0 int ENGINE_set_flags(ENGINE *e, int flags);