iPhone FTP Integration

Can someone point me in the direction of an Objective-C (or c/c++) library, or tutorial (Objective-C) that teaches uploading or downloading via FTP? Preferably one that shows how to download a file to a temp dir, then upload it later? I don't m开发者_JS百科ind one aimed at OSX, but my goal is the iPhone / iPad. I'm still googling, but the results are slim at best.

EDIT: This looks like it'll do the trick:

http://developer.apple.com/library/ios/#samplecode/SimpleFTPSample/Introduction/Intro.html

Thanks guys!

https://github.com/karelia/ConnectionKit should do the job