mk2
mk2(bsbpb->bps, bpb.bps);
mk2(bsbpb->res, bpb.res);
mk2(bsbpb->rde, bpb.rde);
mk2(bsbpb->sec, bpb.sec);
mk2(bsbpb->spf, bpb.spf);
mk2(bsbpb->spt, bpb.spt);
mk2(bsbpb->hds, bpb.hds);
mk2(bsxbpb->xflg, 0);
mk2(bsxbpb->vers, 0);
mk2(bsxbpb->infs, bpb.infs);
mk2(bsxbpb->bkbs, bpb.bkbs);
mk2(img + MINBPS - 2, DOSMAGIC);
mk2(img + MINBPS - 2, DOSMAGIC);
mk2(de->time, x);
mk2(de->date, x);
mk2(bsbpb->bps, bpb.bps);
mk2(bsbpb->res, bpb.res);
mk2(bsbpb->rde, bpb.rde);
mk2(bsbpb->sec, bpb.sec);
mk2(bsbpb->spf, bpb.spf);
mk2(bsbpb->spt, bpb.spt);
mk2(bsbpb->hds, bpb.hds);
mk2(bsxbpb->xflg, 0);
mk2(bsxbpb->vers, 0);
mk2(bsxbpb->infs, bpb.infs);
mk2(bsxbpb->bkbs, bpb.bkbs);
mk2(img + MINBPS - 2, DOSMAGIC);
mk2(img + MINBPS - 2, DOSMAGIC);
mk2(de->time, x);
mk2(de->date, x);