---
title: vn_rdwr_64
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 15.0+]
path: kernel/4360246-vn_rdwr_64
---

# vn_rdwr_64

## Declaration

```occ
int vn_rdwr_64(enum uio_rw rw, struct vnode *vp, uint64_t base, int64_t len, off_t offset, enum uio_seg segflg, int ioflg, kauth_cred_t cred, int64_t *aresid, struct proc *p);
```