acl_copy_acl_into_oldacl
error = acl_copy_acl_into_oldacl(kernel_acl, &old);
int __result_use_check acl_copy_acl_into_oldacl(const struct acl *source,
error = acl_copy_acl_into_oldacl(ap->a_aclp, old);
error = acl_copy_acl_into_oldacl(ap->a_aclp, old);