code: public byte[] getFullBBuffer(int minSize)
      {
          byte[] result = null;
          if (mFullBBuffer != null && mFullBBuffer.length >= minSize) {
              result = mFullBBuffer;
              mFullBBuffer = null;
          }
  //System.err.println("DEBUG: Alloc BFull: "+result);
          return result;
      }
docs: // Full byte buffers, for byte->char conversion (Readers)