dwg_add_handleref_free (const BITCODE_RC code, const unsigned long absref)
{
  Dwg_Object_Ref *ref = (Dwg_Object_Ref *)calloc (1, sizeof (Dwg_Object_Ref));
  dwg_add_handle (&ref->handleref, code, absref, NULL);
  return ref;
}
dwg_add_handleref_free (const BITCODE_RC code, const unsigned long absref)
{
  Dwg_Object_Ref *ref = (Dwg_Object_Ref *)calloc (1, sizeof (Dwg_Object_Ref));
  dwg_add_handle (&ref->handleref, code, absref, NULL);
  return ref;
}