X509 *x, STACK_OF(X509) *chain,
unsigned long flags);
int X509_CRL_check_suiteb(X509_CRL *crl, EVP_PKEY *pk, unsigned long flags);
+void OSSL_STACK_OF_X509_free(STACK_OF(X509) *certs);
STACK_OF(X509) *X509_chain_up_ref(STACK_OF(X509) *chain);
int X509_issuer_and_serial_cmp(const X509 *a, const X509 *b);