---
title: vfs_authopaqueaccess
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 10.4+]
path: kernel/1523247-vfs_authopaqueaccess
---

# vfs_authopaqueaccess

Check if a filesystem is marked as having reliable remote VNOP_ACCESS support.

## Declaration

```occ
int vfs_authopaqueaccess(mount_t mp);
```

## Parameters

- `mp`: Mount to test.

## Return Value

Return Value Nonzero if VNOP_ACCESS is supported remotely, else 0.