X509_CRL_get0_nextUpdate
LCRYPTO_ALIAS(X509_CRL_get0_nextUpdate);
LCRYPTO_USED(X509_CRL_get0_nextUpdate);
const ASN1_TIME *X509_CRL_get0_nextUpdate(const X509_CRL *crl);
at = X509_CRL_get0_nextUpdate(crl->x509_crl);