pnp_id
const struct pnp_id key = { id, "dummy" };
const pnp_id* lastElement = kPNPIDs + numElements;
const pnp_id* element = std::find(kPNPIDs, lastElement, key);
bool operator==(const pnp_id& a) const {
bool operator()(const pnp_id& a, const pnp_id& b) const {
static const struct pnp_id kPNPIDs[] = {