diff -u -r C++/dump.cpp C++fix/dump.cpp
--- C++/dump.cpp	2015-04-24 21:30:25.722776800 -0700
+++ C++fix/dump.cpp	2015-04-24 21:30:23.851251500 -0700
@@ -408,6 +408,7 @@
 }
 
 
+__attribute__((__stdcall__))
 UINT DumpDeviceDriversCallback(_In_ PVOID Context, _In_ UINT Notification, _In_ UINT_PTR Param1, _In_ UINT_PTR Param2)
 /*++