---
title: CFByteOrder
framework: corefoundation
role: symbol
role_heading: Type Alias
path: corefoundation/cfbyteorder
---

# CFByteOrder

Flags that identify byte order.

## Declaration

```swift
typealias CFByteOrder = CFIndex
```

## Topics

### Constants

- [CFByteOrderUnknown](corefoundation/cfbyteorderunknown.md)
- [CFByteOrderLittleEndian](corefoundation/cfbyteorderlittleendian.md)
- [CFByteOrderBigEndian](corefoundation/cfbyteorderbigendian.md)