Don't define __in and __null on c++ build. as long as we keep using host headers, this won't work
svn path=/trunk/; revision=49723
#define __deref_opt_in_bcount_opt(size)
#define __out_awcount(expr,size)
#define __in_awcount(expr,size)
+#ifndef __cplusplus
#define __null
+#endif
#define __notnull
#define __maybenull
#define __readonly
#define __inner_data_entrypoint(category)
#define __ecount(size)
#define __bcount(size)
+#ifndef __cplusplus
#define __in
+#endif
#define __in_opt
#define __in_nz
#define __in_nz_opt
#define __analysis_assume(expr)
#endif
+//#endif