---
title: vfs_64bitready
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 10.4+]
path: kernel/1523312-vfs_64bitready
---

# vfs_64bitready

Check if the filesystem associated with a mountpoint is marked ready for interaction with 64-bit user processes.

## Declaration

```occ
int vfs_64bitready(mount_t mp);
```

## Parameters

- `mp`: Mount to test.

## Return Value

Return Value Nonzero if filesystem is ready for 64-bit; 0 otherwise.