extern AFB_error sessionCheckdir (AFB_session *session);
extern json_object *sessionList (AFB_session *session, AFB_request *request);
extern json_object *sessionToDisk (AFB_session *session, AFB_request *request, char *name,json_object *jsonSession);
extern json_object *sessionFromDisk (AFB_session *session, AFB_request *request, char *name);
extern AFB_error sessionCheckdir (AFB_session *session);
extern json_object *sessionList (AFB_session *session, AFB_request *request);
extern json_object *sessionToDisk (AFB_session *session, AFB_request *request, char *name,json_object *jsonSession);
extern json_object *sessionFromDisk (AFB_session *session, AFB_request *request, char *name);