@deftypefun {int} {gnutls_session_set_data} (gnutls_session_t @var{session}, const void * @var{session_data}, size_t @var{session_data_size})
@var{session}: is a @code{gnutls_session_t} type.
@var{session_data}: is a pointer to space to hold the session.
@var{session_data_size}: is the session's size
Sets all session parameters, in order to resume a previously
established session. The session data given must be the one
returned by @code{gnutls_session_get_data()} . This function should be
called before @code{gnutls_handshake()} .
Keep in mind that session resuming is advisory. The server may
choose not to resume the session, thus a full handshake will be
performed.
@strong{Returns:} On success, @code{GNUTLS_E_SUCCESS} (0) is returned, otherwise
an error code is returned.
@end deftypefun