Index: event.h
===================================================================
RCS file: /cvsroot/src/sys/sys/event.h,v
retrieving revision 1.33
diff -u -r1.33 event.h
--- event.h	6 Aug 2019 11:21:59 -0000	1.33
+++ event.h	9 Aug 2019 21:01:54 -0000
@@ -79,6 +79,14 @@
 	_EV_SET(_kevp, _ident, _filter, _flags, _fflags, _data,
 	    reinterpret_cast<intptr_t>(_udata));
 }
+
+static __inline void
+_EV_SET(struct kevent *_kevp, uintptr_t _ident, uint32_t _filter,
+    uint32_t _flags, uint32_t _fflags, int64_t _data, int _udata)
+{
+	_EV_SET(_kevp, _ident, _filter, _flags, _fflags, _data,
+	    static_cast<intptr_t>(_udata));
+}
 #else
 #define EV_SET(kevp, ident, filter, flags, fflags, data, udata)	\
     _EV_SET((kevp), __CAST(uintptr_t, (ident)), (filter), (flags), \