buf.setIndex(0);

            msg.decode_header(buf);

            off = 24;
            if (msg.ptype == 2 && msg.isFlagSet(DCERPC_LAST_FRAG) == false)
                off = msg.length;

            frag = null;
            fbuf = null;
            while (msg.isFlagSet(DCERPC_LAST_FRAG) == false) {
                int stub_frag_len;

                if (frag == null) {

                setupReceivedFragment(hdrBuf);
                hdrBuf.setIndex(0);
                msg.decode_header(hdrBuf);
            }

            NdrBuffer msgBuf;
            if ( have != 0 && !msg.isFlagSet(DCERPC_LAST_FRAG) ) {
                msgBuf = new NdrBuffer(receiveMoreFragments(msg, inB), 0);
            }
            else {
                msgBuf = new NdrBuffer(inB, 0);
            }

    protected int ptype = -1;
    protected int flags = 0;
    protected int length = 0;
    protected int call_id = 0;
    protected int alloc_hint = 0;
    protected int result = 0;

    public boolean isFlagSet(int flag) {
        return (flags & flag) == flag;
    }
    public void unsetFlag(int flag) {
        flags &= ~flag;
    }
    public void setFlag(int flag) {
        flags |= flag;
    }

    protected int call_id = 0;
    protected int alloc_hint = 0;
    protected int result = 0;


    /**
     * 
     * @param flag
     * @return whether flag is set
     */
    public boolean isFlagSet ( int flag ) {
        return ( this.flags & flag ) == flag;
    }


    /**
     * Remove flag
     * 
     * @param flag
     */
    public void unsetFlag ( int flag ) {
        this.flags &= ~flag;