CISTPL_DEVICE
case CISTPL_DEVICE:
if (tup->tuple.TupleCode == CISTPL_DEVICE)
arg.tuple.DesiredTuple = CISTPL_DEVICE;
case CISTPL_DEVICE:
tuple_info_t device = { CISTPL_DEVICE, NULL, NULL };
if (t->type != CISTPL_DEVICE)
{ $$ = new_tuple(CISTPL_DEVICE, $1); }