SBOFF
if (bread(rfd, (off_t)SBOFF, &sblock, SBSIZE) == 0) {
rdfs(SBOFF, SBSIZE, (char *)fs);
daddr32_t super = bflag ? bflag : SBOFF / DEV_BSIZE;
if (havesb && sblk.b_bno != SBOFF / DEV_BSIZE &&
sblk.b_bno = SBOFF / DEV_BSIZE;
if (lseek(devfd, SBOFF, SEEK_SET) == -1) {
(long long)SBOFF, devpath);
sboff = SBOFF;
sboff = SBOFF;
if (sec < SBOFF / sectorsize)
error = bread(devvp, (daddr_t)(SBOFF / DEV_BSIZE), SBSIZE, &bp);
error = bread(devvp, (daddr_t)(SBOFF / DEV_BSIZE), SBSIZE, &bp);