# CFURLCreateFilePathURL(_:_:_:) Returns a new file path URL that refers to the same resource as a specified URL. ``` func CFURLCreateFilePathURL(_ allocator: CFAllocator!, _ url: CFURL!, _ error: UnsafeMutablePointer?>!) -> Unmanaged! ``` ## Parameters `allocator` The allocator to use to allocate memory for the new `CFURL` object. Pass `NULL` or [`kCFAllocatorDefault`](/documentation/CoreFoundation/kCFAllocatorDefault) to use the current default allocator. `url` The URL. `error` The error that occurred if the URL could not be created. ## Return Value The new file path URL, or `NULL` if an error occurs ## Discussion If the original URL is a file reference URL, this function returns a copy of the URL converted to a file path URL. If the original URL is a file path URL, this function returns the original URL. If the original URL is not a file URL, or if the resource is not reachable or no longer exists, this function returns `nil`. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)