public Record(KaitaiStream p__io, GlibcUtmp p__parent = null, GlibcUtmp p__root = null) : base(p__io)
 {
     m_parent = p__parent;
     m_root   = p__root;
     _read();
 }
 public GlibcUtmp(KaitaiStream p__io, KaitaiStruct p__parent = null, GlibcUtmp p__root = null) : base(p__io)
 {
     m_parent = p__parent;
     m_root   = p__root ?? this;
     _read();
 }