cv2
#define stclus(sz, de) ((sz) != 32 ? cv2((de)->clus) : \
((u_int)cv2((de)->dex.h_clus) << 16) | \
cv2((de)->clus))
if (cv2(bs->bpb.secsiz) != SECSIZ)
if ((fs->spf = cv2(bs->bpb.spf))) {
if (!(fs->dirents = cv2(bs->bpb.dirents)))
if (!(fs->lsnfat = cv2(bs->bpb.ressec)))
if (!(sc = cv2(bs->bpb.secs)) && !(sc = cv4(bs->bpb.lsecs)))
if ((c = cv2(p)) && (c < 32 || c > 127))
if (!(c = cv2(de->clus)))
x = fs->fatsz != 32 ? cv2(buf) : cv4(buf);
if (cv2(buf + DOSMAGICOFF) != DOSMAGIC)
mbr[OFF_FLAGS] & 0xf, cv2(mbr + OFF_TICKS));