1 // RUN: %clang_cc1 -fsyntax-only -triple i686-pc-win32 -fms-compatibility -fmsc-version=1700 %s 2 // RUN: %clang_cc1 -fsyntax-only -triple i386-mingw32 %s 3 4 // Something in MSVC's headers (pulled in e.g. by <crtdefs.h>) defines __null 5 // to something, mimick that. 6 #define __null 7 8 #include <stddef.h> 9 10 // __null is used as a type annotation in MS headers, with __null defined to 11 // nothing in regular builds. This should continue to work even with stddef.h 12 // included. 13 void f(__null void* p) { } 14 15 // NULL should work fine even with __null defined to nothing. 16 void* p = NULL; 17