SMSIZE
ioaccess(virtual_avail, SMADDR, SMSIZE / VAX_NBPG);
virtual_avail += SMSIZE;
iounaccess((vaddr_t)ss->ss_addr, SMSIZE / VAX_NBPG);
(void *)vax_map_physmem(SMADDR, SMSIZE / VAX_NBPG);
SMSIZE / VAX_NBPG);
SMSIZE / VAX_NBPG);
if (offset >= SMSIZE || offset < 0)