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 acl_block *acl_read(uschar *(*)(void), uschar **);
extern int acl_check(int, uschar *, uschar *, uschar **, uschar **);
+
extern tree_node *acl_var_create(uschar *);
extern void acl_var_write(uschar *, uschar *, void *);
extern uschar *auth_b64encode(uschar *, int);
extern uschar *auth_xtextencode(uschar *, int);
extern int auth_xtextdecode(uschar *, uschar **);
-extern void cancel_cutthrough_connection(void);
+extern void cancel_cutthrough_connection(const char *);
extern int check_host(void *, uschar *, uschar **, uschar **);
extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
extern pid_t child_open_uid(uschar **, uschar **, int, uid_t *, gid_t *,
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);