cfg_copy
ret = cfg_copy(&hinfo->cfg, (void *)cfg, 3);
ret = cfg_copy(&cfg, (void *)&info->cfg, 1);
ret = cfg_copy(&cfg, (void *)&info->cfg, 2);
ret = cfg_copy(&cfg, (void *)&info->cfg, 1);
ret = cfg_copy(&cfg, (void *)&info->cfg, 2);