swdevt = (struct swdevt *)calloc(nswdev, sizeof (*swdevt));
klseek(kmem, nlst[X_SWDEVT].n_value, L_SET);
read(kmem, swdevt, nswdev * sizeof (struct swdevt));
swdevt = (struct swdevt *)calloc(nswdev, sizeof (*swdevt));
klseek(kmem, nlst[X_SWDEVT].n_value, L_SET);
read(kmem, swdevt, nswdev * sizeof (struct swdevt));