extern uschar *strstric(uschar *, uschar *, BOOL);
extern uschar *tod_stamp(int);
+
+#ifdef EXPERIMENTAL_TPDA
+extern int tpda_raise_event(uschar *, uschar *, uschar *);
+#endif
+
extern void tls_modify_variables(tls_support *);
extern BOOL transport_check_waiting(uschar *, uschar *, int, uschar *,
BOOL *);