NetWrok.HTTP.Zlib.ZlibCodec.read_buf C# (CSharp) Method

        internal int read_buf(byte[] buf, int start, int size)
        {
            int len = AvailableBytesIn;

            if (len > size)
                len = size;
            if (len == 0)
                return 0;

            AvailableBytesIn -= len;

            if (dstate.WantRfc1950HeaderBytes)
            {
                _Adler32 = Adler.Adler32(_Adler32, InputBuffer, NextIn, len);
            }
            Array.Copy(InputBuffer, NextIn, buf, start, len);
            NextIn += len;
            TotalBytesIn += len;
            return len;
        }