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# IOUSBHostIOSource

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

```
class IOUSBHostIOSource
```

## Overview

Don’t create objects of this class or use this class as a subclass. Instead, use [`copyPipe(withAddress:)`](/documentation/IOUSBHost/IOUSBHostInterface/copyPipe(withAddress:)) and [`copyStream(withStreamID:)`](/documentation/IOUSBHost/IOUSBHostPipe/copyStream(withStreamID:)) when creating an [`IOUSBHostIOSource`](/documentation/IOUSBHost/IOUSBHostIOSource).

## Topics

### Obtaining Device Information

[`deviceAddress`](/documentation/IOUSBHost/IOUSBHostIOSource/deviceAddress)

The device’s bus address.

[`endpointAddress`](/documentation/IOUSBHost/IOUSBHostIOSource/endpointAddress)

The pipe or stream’s endpoint address.

[`hostInterface`](/documentation/IOUSBHost/IOUSBHostIOSource/hostInterface)

The interface for the input/output source.

### Related Documentation

[`IOUSBHostPipe`](/documentation/IOUSBHost/IOUSBHostPipe)

The class that sends control, bulk, interrupt, and isochronous input/output requests for function drivers, and manages stream capabilities.

[`IOUSBHostStream`](/documentation/IOUSBHost/IOUSBHostStream)

The class responsible for sending stream data for function drivers.

## Relationships

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

### Conforms To

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`Hashable`](/documentation/Swift/Hashable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

### Inherited By

[`IOUSBHostPipe`](/documentation/IOUSBHost/IOUSBHostPipe)

[`IOUSBHostStream`](/documentation/IOUSBHost/IOUSBHostStream)

---

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