DT_IDFLG_WRITE
{ "uregs", DT_IDENT_ARRAY, DT_IDFLG_WRITE, DIF_VAR_UREGS, DT_ATTR_STABCMN,
idflags | DT_IDFLG_WRITE | DT_IDFLG_DECL, id,
(DT_IDFLG_WRITE | DT_IDFLG_USER | DT_IDFLG_PRIM));
if (idp->di_flags & DT_IDFLG_WRITE)
uint_t flags = DT_IDFLG_WRITE;