dynamic_ctrl
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)) {
static int dynamic_ctrl(ENGINE *e, int cmd, long i, void *p,