code: func (r *LookupRequest) Respond(resp *LookupResponse) {
  	out := &entryOut{
  		outHeader:      outHeader{Unique: uint64(r.ID)},
  		Nodeid:         uint64(resp.Node),
  		Generation:     resp.Generation,
  		EntryValid:     uint64(resp.EntryValid / time.Second),
  		EntryValidNsec: uint32(resp.EntryValid % time.Second / time.Nanosecond),
  		AttrValid:      uint64(resp.AttrValid / time.Second),
  		AttrValidNsec:  uint32(resp.AttrValid % time.Second / time.Nanosecond),
  		Attr:           resp.Attr.attr(),
  	}
  	r.Conn.respond(&out.outHeader, unsafe.Sizeof(*out))
  }
docs: // Respond replies to the request with the given response.