PROP_INVALID
int type = PROP_INVALID;
if ((remove && type != PROP_INVALID) || ((!remove) && type == PROP_INVALID)) {
int portid = PROP_INVALID;
int board = PROP_INVALID;
static int saved_board = PROP_INVALID;
static int saved_portid = PROP_INVALID;
int actual = PROP_INVALID, maximum = PROP_INVALID;
int rev_id = PROP_INVALID, dev_id = PROP_INVALID;
int ven_id = PROP_INVALID;
if (((arg_1) != PROP_INVALID) && \
((arg_2) != PROP_INVALID)) \
else if ((arg_2) != PROP_INVALID) \
else if ((arg_1) != PROP_INVALID) \