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|+`HSCountingInputStream` is a simple example of an `NSInputStream` subclass|
|+that works around the bugs you'll run into if you try to pass such a subclass|
|+to NSURLRequest or CFHTTPMessageRef. See [my blog](http://bjhomer.blogspot.com/2011/04/subclassing-nsinputstream.html)|
|+for more information on the gory details of how it works.|
|+This sample uses a few language features only available if you're|
|+using Xcode 4 and the LLVM Compiler 2.0, such as instance variables defined|
|+in the @implementation block. It also relies on the modern runtime to|
|+synthesize the instance variables.|
|+I used these features because they're cool and I wanted people to be aware|
|+So if it won't compile for you, that's probably why. It shouldn't|
|+be hard to make the necessary changes to make it work for x86 or GCC 4.2,|
|+if that's what you need to do.|