SSL_set_ct_validation_callback
int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
return SSL_set_ct_validation_callback(s, ct_permissive, NULL);
return SSL_set_ct_validation_callback(s, ct_strict, NULL);
if (!SSL_set_ct_validation_callback(ssl, ctx->ct_validation_callback,