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# CFByteOrder

Flags that identify byte order.

```
typealias CFByteOrder = CFIndex
```

## Topics

### Constants

[`CFByteOrderUnknown`](/documentation/CoreFoundation/CFByteOrderUnknown)

The byte order is unknown.

[`CFByteOrderLittleEndian`](/documentation/CoreFoundation/CFByteOrderLittleEndian)

Multi-byte values are stored with the least-significant bytes stored first. Pentium CPUs are little endian.

[`CFByteOrderBigEndian`](/documentation/CoreFoundation/CFByteOrderBigEndian)

Multi-byte values are stored with the most-significant bytes stored first. PowerPC CPUs are big endian.


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