What is RpcNdr.h

And where does Microsoft get away with

#define small char

You can't just add reserved words to the language and quiet开发者_如何学Pythonly include them in a platform SDK!

And more importantly how do I get rid of it!

edit : how to find what is being included where and by what in Visual Studio - Displaying the #include hierarchy for a C++ file in Visual Studio

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You didn't say whether you wanted to get rid of the header include or of #define.

If you want to get rid of the include but don't know where, you could try to define the include flag in your header above where the SDK includes are listed.

#define RpcNdr.h //find the real flag in the header
#include "sdk.h"

If it is just the #define of 'small', then how about putting this in your headers right after the list of SDK includes.

#ifdef RpcNdr.h //find the real flag in the header
#undef small 

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This is part of the interface definition for the RPC NDR engine (for RPC and DCOM marshalling).

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Well on my SDK it's described as "Definitions for stub data structures and prototypes of helper functions."