---
title: "CFURLGetPortNumber(_:)"
framework: corefoundation
role: symbol
role_heading: Function
path: "corefoundation/cfurlgetportnumber(_:)"
---

# CFURLGetPortNumber(_:)

Returns the port number from a given URL.

## Declaration

```swift
func CFURLGetPortNumber(_ anURL: CFURL!) -> Int32
```

## Parameters

- `anURL`: The CFURL object to examine.

## Return Value

Return Value The port number of anURL, or -1 if no port number exists.

## See Also

### Accessing the Parts of a URL

- [CFURLCanBeDecomposed(_:)](corefoundation/cfurlcanbedecomposed(_:).md)
- [CFURLCopyFileSystemPath(_:_:)](corefoundation/cfurlcopyfilesystempath(_:_:).md)
- [CFURLCopyFragment(_:_:)](corefoundation/cfurlcopyfragment(_:_:).md)
- [CFURLCopyHostName(_:)](corefoundation/cfurlcopyhostname(_:).md)
- [CFURLCopyLastPathComponent(_:)](corefoundation/cfurlcopylastpathcomponent(_:).md)
- [CFURLCopyNetLocation(_:)](corefoundation/cfurlcopynetlocation(_:).md)
- [CFURLCopyParameterString(_:_:)](corefoundation/cfurlcopyparameterstring(_:_:).md)
- [CFURLCopyPassword(_:)](corefoundation/cfurlcopypassword(_:).md)
- [CFURLCopyPath(_:)](corefoundation/cfurlcopypath(_:).md)
- [CFURLCopyPathExtension(_:)](corefoundation/cfurlcopypathextension(_:).md)
- [CFURLCopyQueryString(_:_:)](corefoundation/cfurlcopyquerystring(_:_:).md)
- [CFURLCopyResourceSpecifier(_:)](corefoundation/cfurlcopyresourcespecifier(_:).md)
- [CFURLCopyScheme(_:)](corefoundation/cfurlcopyscheme(_:).md)
- [CFURLCopyStrictPath(_:_:)](corefoundation/cfurlcopystrictpath(_:_:).md)
- [CFURLCopyUserName(_:)](corefoundation/cfurlcopyusername(_:).md)