osx - What is the '245' in the IOKit USB libraries? -


I am starting with IOK on OS X, and I have been tagged on '245' data types, the IOKit USB Library , Such as IOUSBInterfaceInterface245 . What does 245 mean? I'm just curious that at last this number should be pointing out the number attacked. It seems like a version number of something.

Is there a normal version that I can use instead of using a particular version?

I believe the number identifies the IOUSBFamily version that is compatible with the structure. For more information, take a look at IOKit / usb / IOUSBLib.h


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