/*
 * Return the Node's _entry_ member.  The return type is
 * either a Node or an Object.
 */
static VALUE node_entry(VALUE self)
{
  NODE * n;
  Data_Get_Struct(self, NODE, n);
  if(n->nd_entry->id == 0)
  {
    return Qfalse;
  }
  else
  {
    return ID2SYM(n->nd_entry->id);
  }
}