aclcksum
signature += aclcksum(sp->aowner) + aclcksum(sp->agroup) +
aclcksum(sp->aother) + aclcksum(sp->ausers) +
aclcksum(sp->agroups) + aclcksum(sp->downer) +
aclcksum(sp->dgroup) + aclcksum(sp->dother) +
aclcksum(sp->dusers) + aclcksum(sp->dgroups);