int byte1 = delegate.read();
            if (byte1 < 0) {
                return -1;
            }
            int byte2 = delegate.read();
            if (byte2 < 0) {
                throw new IOException("Unable to decode, expected 2 bytes but received only 1 byte. It seems the stream was not encoded correctly.");
            }
            return (hexToByte(byte1) << 4) | hexToByte(byte2);
        }

            // maybe we could use a FilterReader instead of a FilterInputStream?
            int byte1 = this.in.read();
            int byte2 = this.in.read();
            int byte3 = this.in.read();

            if (byte1 == 239 && byte2 == 187 && byte3 == 191) {
                // skip the UTF-8 BOM
                this.in.mark(MARK);
            } else {
                this.in.reset();

            expectDot = false
          } else {
            byte0 = labels[currentLabelIndex][currentLabelByteIndex] and 0xff
          }

          val byte1 = this[mid + publicSuffixByteIndex] and 0xff

          compareResult = byte0 - byte1
          if (compareResult != 0) break

          publicSuffixByteIndex++
          currentLabelByteIndex++
          if (publicSuffixByteIndex == publicSuffixLength) break

	_               uint64    // 0xc0
	St_res05        [16]uint8 // 0xc8
	// end of version 2
}

type BpxFilestatus struct {
	Oflag1 byte
	Oflag2 byte
	Oflag3 byte
	Oflag4 byte
}

type BpxMode struct {
	Ftype byte
	Mode1 byte
	Mode2 byte
	Mode3 byte
}

// Thr attribute structure for extended attributes
type Bpxyatt_t struct { // DSECT BPXYATT
	Att_id           [4]uint8

   * @param arrays zero or more {@code byte} arrays
   * @return a single array containing all the values from the source arrays, in order
   */
  public static byte[] concat(byte[]... arrays) {
    int length = 0;
    for (byte[] array : arrays) {
      length += array.length;
    }
    byte[] result = new byte[length];
    int pos = 0;
    for (byte[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);

   * @param arrays zero or more {@code byte} arrays
   * @return a single array containing all the values from the source arrays, in order
   */
  public static byte[] concat(byte[]... arrays) {
    int length = 0;
    for (byte[] array : arrays) {
      length += array.length;
    }
    byte[] result = new byte[length];
    int pos = 0;
    for (byte[] array : arrays) {
      System.arraycopy(array, 0, result, pos, array.length);

        def text1 = "some text"
        def bytes1 = text1.bytes
        def text2 = "more"
        def bytes2 = text2.bytes

        when:
        async {
            start {
                def buffer = new byte[1024]

                def nread = stream.read(buffer)
                assert nread == bytes1.length
                assert new String(buffer, 0, nread) == text1

	w.Write(a)
	w.Write(b)
	w.Write(c)
	w.Close()

	readBuf := make([]byte, len(a)+len(b)+len(c)+1)
	byter := bytes.NewReader(buf.Bytes())
	bufr := bufio.NewReader(byter)
	mallocs := testing.AllocsPerRun(100, func() {
		byter.Seek(0, io.SeekStart)
		bufr.Reset(byter)
		r := NewChunkedReader(bufr)
		n, err := io.ReadFull(r, readBuf)

	// 512 bytes (8 KiB / 512 bytes * 8 bytes-per-header = 128 bytes of overhead).
	// On 32-bit platforms, this same point is the 256 byte size class
	// (8 KiB / 256 bytes * 8 bytes-per-header = 256 bytes of overhead).
	//
	// Guaranteed to be exactly at a size class boundary. The reason this value is
	// an exclusive minimum is subtle. Suppose we're allocating a 504-byte object

    return new String(chars);
  }

  private static byte[] toByteArray(int... bytes) {
    byte[] realBytes = new byte[bytes.length];
    for (int i = 0; i < bytes.length; i++) {
      realBytes[i] = (byte) bytes[i];
    }
    return realBytes;
  }

  private static void assertWellFormed(int... bytes) {
    assertTrue(Utf8.isWellFormed(toByteArray(bytes)));
  }