extern void smtp_sasl_initialize(void);
extern void smtp_sasl_connect(SMTP_SESSION *);
extern int smtp_sasl_passwd_lookup(SMTP_SESSION *);
extern void smtp_sasl_start(SMTP_SESSION *, const char *, const char *);
extern int smtp_sasl_authenticate(SMTP_SESSION *, DSN_BUF *);
extern void smtp_sasl_cleanup(SMTP_SESSION *);
extern void smtp_sasl_helo_auth(SMTP_SESSION *, const char *);
extern int smtp_sasl_helo_login(SMTP_STATE *);
extern void smtp_sasl_passivate(SMTP_SESSION *, VSTRING *);
extern int smtp_sasl_activate(SMTP_SESSION *, char *);
extern STRING_LIST *smtp_sasl_mechs;