Bool_t IsCompressed() const
{if (fHeader) return fHeader->TestAttribute(1);
else return kFALSE;};
+ UInt_t GetStatusBits() const
+ {if (fHeader) return fHeader->GetStatus();
+ else return 0;};
virtual Bool_t ReadHeader() = 0;
virtual Bool_t ReadNextData(UChar_t*& data) = 0;