COMP_CTX

type COMP_CTX = record

  meth: PCOMP_METHOD;

  compress_in: TIdC_ULONG;

  compress_out: TIdC_ULONG;

  expand_in: TIdC_ULONG;

  expand_out: TIdC_ULONG;

  ex_data: PCRYPTO_EX_DATA;

end;