+#define AF_NOTE 4u /* Catch notifications */
+#ifndef NTRACE
+ #define AF_TRACE 8u /* Catch tracing */
+#endif
+#define AF_WARN 16u /* Catch warning messages */
+
+#ifndef NTRACE
+# define AF_ALLMSGS (AF_NOTE | AF_TRACE | AF_WARN)
+#else
+# define AF_ALLMSGS (AF_NOTE | AF_WARN)
+#endif