How can I unzip a file in MacOS X Obj-C?

How can I unzip a file in MacOS开发者_StackOverflow社区 X Obj-C? What frameworks do I need and what is the call?

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You might find something helpful here at CocoaDev or with theunarchiver. theunarchiver is a nice utility that handles many archive formats and since it's open-source, you may be able to use some of their code to do what you want, though it's LGPL, which may or may not be compatible with what you're doing.

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libz.1.2.3.dylib is the framework you should add to your project.

And use the the classes: http://code.google.com/p/ziparchive/downloads/list