extern gstring * route_show_supported(gstring *);
extern void route_tidyup(void);
+extern uschar *search_args(int, uschar *, uschar *, uschar **, const uschar *);
extern uschar *search_find(void *, const uschar *, uschar *, int,
const uschar *, int, int, int *, const uschar *);
extern int search_findtype(const uschar *, int);