---
title: a_dir_clone_authorizer
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 10.12.4+]
path: kernel/vnop_clonefile_args/2818591-a_dir_clone_authorizer
---

# a_dir_clone_authorizer

## Declaration

```occ
int (*a_dir_clone_authorizer)(struct vnode_attr *vap, kauth_action_t action, struct vnode_attr *dvap, vnode_t sdvp, mount_t mp, dir_clone_authorizer_op_t vattr_op, uint32_t flags, vfs_context_t ctx, void *reserved);
```