_acl_append
_acl_append(aclp, ACL_USER_OBJ, user_allow_first,
_acl_append(aclp, ACL_USER_OBJ, user_deny,
_acl_append(aclp, ACL_GROUP_OBJ, group_deny,
_acl_append(aclp, ACL_USER_OBJ, user_allow, ACL_ENTRY_TYPE_ALLOW);
_acl_append(aclp, ACL_GROUP_OBJ, group_allow, ACL_ENTRY_TYPE_ALLOW);
_acl_append(aclp, ACL_EVERYONE, everyone_allow, ACL_ENTRY_TYPE_ALLOW);