extern const char *afb_session_token(struct afb_session *session);
extern void *afb_session_get_cookie(struct afb_session *session, const void *key);
+extern void *afb_session_cookie(struct afb_session *session, const void *key, void *(*makecb)(void), void (*freecb)(void*));
extern int afb_session_set_cookie(struct afb_session *session, const void *key, void *value, void (*freecb)(void*));