-extern int eldapdn_find(void *, uschar *, uschar *, int, uschar **,
- uschar **, BOOL *);
-extern int eldapm_find(void *, uschar *, uschar *, int, uschar **,
- uschar **, BOOL *);
-extern void eldap_tidy(void);
-extern uschar *eldap_quote(uschar *, uschar *);