query_index
query_index(data_vio,
static void query_index(struct data_vio *data_vio, enum uds_request_type operation);
query_index(agent, UDS_UPDATE);
if (pos++ != head->r.query_index)
head->r.query_index = 0;
if (pos++ != head->r.query_index)
head->r.query_index++;
unsigned int query_index;