UAT_UNDEFINED
if ((UGETW(d->v1.wTerminalType) & 0xff00) != UAT_UNDEFINED)
if ((UGETW(d->v2.wTerminalType) & 0xff00) != UAT_UNDEFINED)
case UAT_UNDEFINED: return "UAT_UNDEFINED";
if ((terminal_type & 0xff00) == (UAT_UNDEFINED & 0xff00)) {
case UAT_UNDEFINED: