# string(withFileSystemRepresentation:length:) Returns an [`NSString`](/documentation/Foundation/NSString) object whose contents are derived from the specified C-string path. ``` func string(withFileSystemRepresentation str: UnsafePointer, length len: Int) -> String ``` ## Parameters `str` A C string representation of a pathname. `len` The number of characters in `string`. ## Return Value An [`NSString`](/documentation/Foundation/NSString) object converted from the C-string representation `string` with length `len` of a pathname in the current file system. ## Discussion Use this method if your code receives paths as C strings from system routines. --- 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)