extern void debug_vprintf(int, const char *, va_list);
extern void decode_bits(unsigned int *, size_t, int *,
uschar *, bit_table *, int, uschar *, int);
+extern void delete_pid_file(void);
extern address_item *deliver_make_addr(uschar *, BOOL);
extern void delivery_log(int, address_item *, int, uschar *);
extern int deliver_message(uschar *, BOOL, BOOL);