---
title: CFStreamStatus.notOpen
framework: corefoundation
role: symbol
role_heading: Case
path: corefoundation/cfstreamstatus/notopen
---

# CFStreamStatus.notOpen

The stream is not open for reading or writing.

## Declaration

```swift
case notOpen
```

## See Also

### Constants

- [CFStreamStatus.opening](corefoundation/cfstreamstatus/opening.md)
- [CFStreamStatus.open](corefoundation/cfstreamstatus/open.md)
- [CFStreamStatus.reading](corefoundation/cfstreamstatus/reading.md)
- [CFStreamStatus.writing](corefoundation/cfstreamstatus/writing.md)
- [CFStreamStatus.atEnd](corefoundation/cfstreamstatus/atend.md)
- [CFStreamStatus.closed](corefoundation/cfstreamstatus/closed.md)
- [CFStreamStatus.error](corefoundation/cfstreamstatus/error.md)