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# IOUSBHostStream

The class responsible for sending stream data for function drivers.

```
class IOUSBHostStream
```

## Overview

The [`copyStream(withStreamID:)`](/documentation/IOUSBHost/IOUSBHostPipe/copyStream(withStreamID:)) method creates stream objects.

## Topics

### Sending I/O

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

The completion handler for asynchronous control, bulk, and interrupt transfers.

[`-  enqueueIORequestWithData:error:completionHandler:`](/documentation/IOUSBHost/IOUSBHostStream/enqueueIORequest(with:completionHandler:))

Enqueues an input/output request on the stream.

[`-  sendIORequestWithData:bytesTransferred:error:`](/documentation/IOUSBHost/IOUSBHostStream/sendIORequestWithData:bytesTransferred:error:)

Sends an input/output request on the stream.

[`-  abortWithOption:error:`](/documentation/IOUSBHost/IOUSBHostStream/abort(with:))

Aborts pending input/output requests.

[`-  abortWithError:`](/documentation/IOUSBHost/IOUSBHostStream/abort())

Aborts pending input/output requests synchronously.

### Getting the Pipe Object

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

The pipe that creates the stream.

### Getting the Stream ID

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

The ID for the stream.

## Relationships

### Conforms To

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

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

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

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

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

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

### Inherits From

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

---

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