#endif
extern void debug_logging_activate(uschar *, uschar *);
+extern void debug_logging_stop(void);
extern void debug_print_argv(const uschar **);
extern void debug_print_ids(uschar *);
extern void debug_print_string(uschar *);
extern void *search_open(uschar *, int, int, uid_t *, gid_t *);
extern void search_tidyup(void);
extern void set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
-extern void sha1_end(sha1 *, const uschar *, int, uschar *);
-extern void sha1_mid(sha1 *, const uschar *);
-extern void sha1_start(sha1 *);
+extern void sha1_end(hctx *, const uschar *, int, uschar *);
+extern void sha1_mid(hctx *, const uschar *);
+extern void sha1_start(hctx *);
extern int sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
uschar *, address_item **, uschar **);
extern void sigalrm_handler(int);