How do you convert an iPhone OSStatus code to something useful?

Question

I am getting more than a little sick of this iPhone SDK and its documentation...

I am calling AudioConverterNew

in the documentation under Returns: it says \

Answer 1

OSStatus errors can be bytes representing a 4-char code, or any number of errors defined in MacErrors.h.

If an OSStatus error is 0 or noErr that means you have no error.

Or, try looking up your error number in MacErrors.h:

http://www.opensource.apple.com/source/CarbonHeaders/CarbonHeaders-18.1/MacErrors.h