     }
 
     /// The ID of the owner of the file at the path.
-    public var ownerID: CUnsignedLong? {
+    public var ownerID: UInt? {
         if let value = attributes[NSFileOwnerAccountID] as? NSNumber {
             return value.unsignedLongValue
         }

    }

    /// The POSIX permissions of the file at the path.
    public var posixPermissions: CShort? {
        if let value = attributes[NSFilePosixPermissions] as? NSNumber {
            return value.shortValue
        }

    }

    /// The number of hard links to a file.
    public var fileReferenceCount: UInt? {
        if let value = attributes[NSFileReferenceCount] as? NSNumber {
            return value.unsignedLongValue
        }
