@deftypefun {gnutls_compression_method_t} {gnutls_compression_get} (gnutls_session_t @var{session}) @var{session}: is a @code{gnutls_session_t} type. Get the currently used compression algorithm. @strong{Returns:} the currently used compression method, a @code{gnutls_compression_method_t} value. @end deftypefun