SSL_CTRL_GET_MAX_CERT_LIST
SSL_CTX_ctrl(ctx, SSL_CTRL_GET_MAX_CERT_LIST, 0, NULL)
SSL_ctrl(ssl, SSL_CTRL_GET_MAX_CERT_LIST, 0, NULL)
case SSL_CTRL_GET_MAX_CERT_LIST:
case SSL_CTRL_GET_MAX_CERT_LIST: