public String eqMember(String membername, String desc, int index) {
        MemberrefInfo minfo = (MemberrefInfo)getItem(index);
        NameAndTypeInfo ntinfo
                = (NameAndTypeInfo)getItem(minfo.nameAndTypeIndex);
        if (getUtf8Info(ntinfo.memberName).equals(membername)
            && getUtf8Info(ntinfo.typeDescriptor).equals(desc))
            return getClassInfo(minfo.classIndex);
        else
            return null;       // false
    }