SET_ACE
SET_ACE(acl, index, -1, masks.allow0,
SET_ACE(acl, index, -1, masks.deny1,
SET_ACE(acl, index, -1, masks.deny2,
SET_ACE(acl, index, -1, masks.owner, ACE_ACCESS_ALLOWED_ACE_TYPE,
SET_ACE(acl, index, -1, masks.group, ACE_ACCESS_ALLOWED_ACE_TYPE,
SET_ACE(acl, index, -1, masks.everyone, ACE_ACCESS_ALLOWED_ACE_TYPE,