E *xs,
                                 X509_STORE_CTX_lookup_certs_fn lookup_certs);
X509_STORE_CTX_lookup_certs_fn
    X509_STORE_get_lookup_certs(const X509_STORE_CTX *ctx);

void X509_STORE_set_lookup_crls(X509_STORE *xs,
                                X509_STORE_CTX_lookup_crls_fn lookup_crls);
X509_STORE_CTX_lookup_crls_fn
    X509_STORE_get_lookup_crls(const X509_STORE_CTX *ctx);

void X509_STORE_set_cleanup(X509_STORE *xs,
                            X509_STORE_CTX_cleanup_fn cleanup);
X509_STORE_C