mtget
struct mtget mb;
struct mtget *g = (struct mtget *)addr;
bzero(g, sizeof(struct mtget));
struct mtget *g = (struct mtget *)ap->a_data;
bzero(g, sizeof(struct mtget));
#define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
static void status(struct mtget *);
static void st_status(struct mtget *);
struct mtget mt_status;
status(struct mtget *bp)
st_status(struct mtget *bp)
{ struct mtget mtget;
if (ioctl(tape, MTIOCGET, (char *)&mtget) < 0)
rval = sizeof (mtget);
write(1, (char *)&mtget, rval);