@deftypefun {int} {gnutls_ocsp_status_request_get} (gnutls_session_t @var{session}, gnutls_datum_t * @var{response}) @var{session}: is a @code{gnutls_session_t} type. @var{response}: a @code{gnutls_datum_t} with DER encoded OCSP response This function returns the OCSP status response received from the TLS server. The @code{response} should be treated as constant. If no OCSP response is available then @code{GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE} is returned. @strong{Returns:} On success, @code{GNUTLS_E_SUCCESS} (0) is returned, otherwise a negative error code is returned. @strong{Since:} 3.1.3 @end deftypefun