How to distinguish two identical device in driver and application?

How to distinguish two identical device in driver and application?


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Posted by uma on August 06, 2001 at 10:16:23:

As we all know, we can plug two or even more identical (with same vendor and product ID) device in the system. If we do read/write on a particular device, we some how need to distinguish them. How can we do that on the driver level and the application level?




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