---
title: IOUSBHostIOSource
framework: iousbhost
role: symbol
role_heading: Class
path: iousbhost/iousbhostiosource
---

# IOUSBHostIOSource

This class provides basic functionality for deriving pipe and stream classes.

## Declaration

```swift
class IOUSBHostIOSource
```

## Overview

Overview Don’t create objects of this class or use this class as a subclass. Instead, use copyPipe(withAddress:) and copyStream(withStreamID:) when creating an IOUSBHostIOSource.

## Topics

### Obtaining Device Information

- [deviceAddress](iousbhost/iousbhostiosource/deviceaddress.md)
- [endpointAddress](iousbhost/iousbhostiosource/endpointaddress.md)
- [hostInterface](iousbhost/iousbhostiosource/hostinterface.md)

### Related Documentation

- [IOUSBHostPipe](iousbhost/iousbhostpipe.md)
- [IOUSBHostStream](iousbhost/iousbhoststream.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Inherited By

- [IOUSBHostPipe](iousbhost/iousbhostpipe.md)
- [IOUSBHostStream](iousbhost/iousbhoststream.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Base Classes

- [IOUSBHostObject](iousbhost/iousbhostobject.md)