INOPF
for (i = 0; i < sblock.fs_ipg / INOPF(&sblock); i += sblock.fs_frag) {
usedb = (sblock.fs_iblkno + ipg / INOPF(&sblock))
used = (sblock.fs_iblkno + inospercg / INOPF(&sblock)) * NSPF(&sblock);
sblock.fs_dblkno = sblock.fs_iblkno + sblock.fs_ipg / INOPF(&sblock);
for (i = 0; i < sblock.fs_ipg / INOPF(&sblock); i += sblock.fs_frag) {
sblock.fs_ipg / INOPF(&sblock), sblock.fs_frag);
sblock.fs_ipg / INOPF(&sblock), sblock.fs_frag);
sblock.fs_ipg / INOPF(&sblock), sblock.fs_frag);
sblock.fs_dblkno = sblock.fs_iblkno + sblock.fs_ipg / INOPF(&sblock);
i < sblock.fs_ipg / INOPF(&sblock);