pnp_id
extern pnp_id pnp_devices[MAX_PNP_CARDS];
struct pnp_id *pnp_id1 = (struct pnp_id *) id1;
struct pnp_id *pnp_id2 = (struct pnp_id *) id2;
ids_find_pnp (const char *pnp_id, char **pnp_description)
struct pnp_id search, *res;
sizeof(struct pnp_id), ids_comp_pnp);
search.id = (char *) pnp_id;
sizeof(struct pnp_id), ids_comp_pnp);
ids_find_pnp (const char *pnp_id, char **pnp_description);