# CFReadStreamCreateWithFTPURL(_:_:) Creates an FTP read stream. ``` func CFReadStreamCreateWithFTPURL(_ alloc: CFAllocator?, _ ftpURL: CFURL) -> Unmanaged ``` ## Parameters `alloc` The allocator to use to allocate memory for the new object. Pass `NULL` or kCFAllocatorDefault to use the current default allocator. `ftpURL` A pointer to a CFURL structure for the URL to be downloaded that can be created by calling any of the `CFURLCreate` functions, such as `CFURLCreateWithString`. ## Return Value A new read stream, or `NULL` if the call failed. Ownership follows the [The Create Rule](https://developer.apple.com/library/archive/documentation/CoreFoundation/Conceptual/CFMemoryMgmt/Concepts/Ownership.html#//apple_ref/doc/uid/20001148-103029). ## Discussion This function creates an FTP read stream for downloading data from an FTP URL. If the `ftpURL` parameter is created with the user name and password as part of the URL (such as `ftp://username:password@ftp.example.com`) then the user name and password will automatically be set in the `CFReadStream`. Otherwise, call to set the steam’s properties, such as `kCFStreamPropertyFTPUserName` and `kCFStreamPropertyFTPPassword` to associate a user name and password with the stream that are used to log in when the stream is opened. See `Constants` for a description of all FTP stream properties. To initiate a connection with the FTP server, call . To read the FTP stream, call . If the URL refers to a directory, the stream provides the listing results sent by the server. If the URL refers to a file, the stream provides the data in that file. To close a connection with the FTP server, call . --- 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)