@deftypefun {int} {gnutls_privkey_export_openpgp} (gnutls_privkey_t @var{pkey}, gnutls_openpgp_privkey_t * @var{key}) @var{pkey}: The private key @var{key}: Location for the key to be exported. This function is no-op. @strong{Returns:} @code{GNUTLS_E_UNIMPLEMENTED_FEATURE} . @strong{Since:} 3.4.0 @end deftypefun