OSSL_PARAM_construct_time_t
*p++ = OSSL_PARAM_construct_time_t(OSSL_DRBG_PARAM_RESEED_TIME_INTERVAL,
OSSL_PARAM OSSL_PARAM_construct_time_t(const char *key, time_t *buf);
*params = OSSL_PARAM_construct_time_t(OSSL_DRBG_PARAM_RESEED_TIME, &t);