pnviocdesc
#define PNVIOCGET _IOWR('O', 1, struct pnviocdesc) /* get var contents */
#define PNVIOCGETNEXTNAME _IOWR('O', 2, struct pnviocdesc) /* get next var */
#define PNVIOCGETNUMGE _IOWR('O', 3, struct pnviocdesc) /* get nrof vars */
#define PNVIOCSET _IOW('O', 4, struct pnviocdesc) /* set nvram var */
struct pnviocdesc *pnv;
pnv = (struct pnviocdesc *)data;
struct pnviocdesc *, char *);
prep_notsupp(const struct extabent * exent, struct pnviocdesc * nviop, char *arg)
struct pnviocdesc nvio1, nvio2;
static void prep_notsupp(const struct extabent *, struct pnviocdesc *, char *);
struct pnviocdesc nvio;