---
title: uio_create
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 10.4+]
path: kernel/1442199-uio_create
---

# uio_create

## Declaration

```occ
uio_t uio_create(int a_iovcount, off_t a_offset, int a_spacetype, int a_iodirection);
```