include/net-snmp/system/mingw32msvc.h - vendor/opensource/netsnmp - Git at Google

 /*
  * This header is here to accomodate cross compiling for
  * Microsoft Windows on a linux host using MinGW. All changes
  * should be made to mingw32.h - Andy
  */
 #ifndef mingw32
 #define mingw32 mingw32
 #endif

 #include "mingw32.h"
	/*
	* This header is here to accomodate cross compiling for
	* Microsoft Windows on a linux host using MinGW. All changes
	* should be made to mingw32.h - Andy
	*/
	#ifndef mingw32
	#define mingw32 mingw32
	#endif

	#include "mingw32.h"