#define InitializeObjectAttributes(p, n, a, r, s) \
{ \
	(p)->Length = sizeof(OBJECT_ATTRIBUTES); \
	(p)->RootDirectory = r; \
	(p)->Attributes = a; \
	(p)->ObjectName = n; \
	(p)->SecurityDescriptor = s; \
	(p)->SecurityQualityOfService = NULL; \
}