strcmd_t
strcmd_t strcmd;
if ((scp = kmem_alloc(sizeof (strcmd_t),
if (copyin((void *)arg, scp, sizeof (strcmd_t))) {
kmem_free(scp, sizeof (strcmd_t));
scp = (strcmd_t *)arg;
kmem_free(scp, sizeof (strcmd_t));
copyout(scp, (void *)arg, sizeof (strcmd_t))) {
kmem_free(scp, sizeof (strcmd_t));