*
     * @param buf buffer to receive data into
     * @param off offset in the buffer
     * @param length maximum length to receive
     * @return number of bytes received
     * @throws IOException if an I/O error occurs
     */
    int recv(byte[] buf, int off, int length) throws IOException;

    /**
     * Send data to the pipe
     *
     * @param buf buffer containing data to send

		// Read from subChT and write to subCh
		var buf bytes.Buffer
		enc := json.NewEncoder(&buf)
		for {
			select {
			case <-doneCh:
				return
			case v, ok := <-subChT:
				if !ok {
					return
				}
				buf.Reset()
				err := enc.Encode(v)
				if err != nil {
					return
				}

				select {
				case subCh <- append(GetByteBuffer()[:0], buf.Bytes()...):
					continue
				case <-doneCh:

        int lcm = lcm(outlen, data.length);
        byte[] buf = new byte[outlen];
        int carry = 0;
        for (int i = lcm - 1; i >= 0; i--) {
            carry = carry_add(data, buf, carry, i);
        }

        if (carry != 0) {
            for (int i = outlen - 1; i >= 0; i--) {
                carry += buf[i] & 0xff;
                buf[i] = (byte) (carry & 0xff);
                carry >>>= 8;

		} else {
			ci.Capacity = quotaSize
		}
		ci.Available = ci.Capacity - ci.Used

		buf = encodeResponse(&ci)
	default:
		return nil, errFileNotFound
	}

	etag := getMD5Hash(buf)
	r := bytes.NewReader(buf)

	off, length := int64(0), r.Size()
	if rs != nil {
		off, length, err = rs.GetOffsetLength(r.Size())
		if err != nil {
			return nil, err

            }
        }
        if (buf.indexOf("mm") == -1) {
            final int pos = buf.indexOf("m");
            if (pos != -1) {
                buf.replace(pos, pos + 1, "mm");
            }
        }
        if (buf.indexOf("ss") == -1) {
            final int pos = buf.indexOf("s");
            if (pos != -1) {
                buf.replace(pos, pos + 1, "ss");
            }

        }

        buf.append(',').append('"').append(FieldNames.FIELDS).append("\":").append(convertJsonStrings(fields));
        buf.append(',').append('"').append(FieldNames.TAGS).append("\":").append(convertJsonStrings(tags));
        buf.append(',').append('"').append(FieldNames.ROLES).append("\":").append(convertJsonStrings(roles));

                final StringBuilder buf = new StringBuilder(value.length() + 100);
                for (final char c : value.toCharArray()) {
                    if (CharUtil.isUrlChar(c) || c == ' ') {
                        buf.append(c);
                    } else {
                        try {
                            buf.append(URLEncoder.encode(String.valueOf(c), Constants.UTF_8));

        Trans2QueryFSInformation cmd = new Trans2QueryFSInformation(5);
        byte[] buf = newBuffer(10);
        int written = cmd.writeSetupWireFormat(buf, 0);
        assertEquals(2, written, "setup packet should write 2 bytes");
        assertEquals(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION, buf[0], "first byte should be subCommand");
        assertEquals((byte) 0x00, buf[1], "second byte should be zero");
    }

    @Test

        final StringBuilder buf = new StringBuilder(20);
        for (int i = 0; i < s.length(); ++i) {
            char c = s.charAt(i);
            if (c == groupingSep) {
                continue;
            } else if (c == decimalSep) {
                c = '.';
            }
            buf.append(c);
        }
        return buf.toString();
    }

        byte[] buf = new byte[16];

        // When/Then
        assertEquals(0, next.readSetupWireFormat(buf, 0, buf.length));
        assertEquals(0, next.readParametersWireFormat(buf, 0, buf.length));
        assertEquals(0, next.readDataWireFormat(buf, 0, buf.length));
        assertEquals(0, next.writeDataWireFormat(buf, 0));
    }

    /**