---
title: IOByteCount
framework: driverkit
role: symbol
role_heading: Type Alias
path: driverkit/iobytecount
---

# IOByteCount

A type that represents a number of bytes.

## Declaration

```occ
typedef IOByteCount64 IOByteCount;
```

## See Also

### Byte Counts

- [IOByteCount32](driverkit/iobytecount32.md)
- [IOByteCount64](driverkit/iobytecount64.md)