---
title: "init(protocolFamily:socketType:protocol:address:)"
framework: corefoundation
role: symbol
role_heading: Initializer
path: "corefoundation/cfsocketsignature/init(protocolfamily:sockettype:protocol:address:)"
---

# init(protocolFamily:socketType:protocol:address:)

## Declaration

```swift
init(protocolFamily: Int32, socketType: Int32, protocol: Int32, address: Unmanaged<CFData>!)
```