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SETUPAPI.DLL problems in NT 4

I have code that enumerates the serial ports. On all windows versions except NT 4.0 it works. In 4.0 I get the following error message:

"The procedure entry point SetupDiEnumDeviceInterfaces could not be located in the dynamic link library SETUPAPI.dll"

I know what this means, but I don't know the solution or workaround (if any). I tried copying the XP version of the dll, but it resulted in some other error in the NTDLL.

I suppose I could not link to the setupapi.lib and just do a loadlibrary after O/S version checking..but I'd prefer to find a way to get the enumeration functionality usable on NT 4.

Any thoughts?
Nov 17 '05 #1
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