mtop
struct mtop t_op;
struct mtop mb;
struct mtop mb;
struct mtop mb;
struct mtop tcom;
struct mtop *mt;
mt = (struct mtop *)addr;
struct mtop *mt = (struct mtop *) addr;
struct mtop *mt = (struct mtop *)ap->a_data;
smb_t2_placedata(struct mbuf *mtop, u_int16_t offset, u_int16_t count,
m0 = m_split(mtop, offset, M_WAITOK);
#define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
struct mtop mt_com;
struct mtop op;
{ struct mtop mtop;
mtop.mt_op = atoi(op);
mtop.mt_count = atoi(count);
if (ioctl(tape, MTIOCTOP, (char *)&mtop) < 0)
rval = mtop.mt_count;