extern int tls_server_start(const uschar *);
extern BOOL tls_smtp_buffered(void);
extern int tls_ungetc(int);
-extern int tls_write(BOOL, int, const uschar *, size_t);
+extern int tls_write(BOOL, const uschar *, size_t);
extern uschar *tls_validate_require_cipher(void);
extern void tls_version_report(FILE *);
#ifndef USE_GNUTLS
extern uschar *expand_string(uschar *);
extern uschar *expand_string_copy(uschar *);
extern int_eximarith_t expand_string_integer(uschar *, BOOL);
+extern void modify_variable(uschar *, void *);
extern int filter_interpret(uschar *, int, address_item **, uschar **);
extern BOOL filter_personal(string_item *, BOOL);