---
title: "IOOpenFirmwarePathMatching(_:_:_:)"
framework: IOKit
role: symbol
role_heading: Function
platforms: [macOS 10.0+]
path: iokit/1514715-ioopenfirmwarepathmatching
---

# IOOpenFirmwarePathMatching(_:_:_:)

## Declaration

```swift
func IOOpenFirmwarePathMatching(_ mainPort: mach_port_t, _ options: UInt32, _ path: UnsafePointer<CChar>!) -> Unmanaged<CFMutableDictionary>!
```