ioget
static int ioget(DOS_FS *, daddr_t, void *, size_t);
err = ioget(fs, fs->lsnfat + bytsec(fs, offset_in_fat),
if ((err = ioget(fs, 0, buf, secsz)) ||
if ((err = ioget(fs, lsec + sec, dir,
err = ioget(fs, bytsec(fs, offset), fs->secbuf, secsiz);
if ((err = ioget(fs, bytsec(fs, offset), s, nbyte)))
err = ioget(fs, bytsec(fs, offset), fs->secbuf, secsiz);