#define AFB_SESSION_TIMEOUT_DEFAULT -2
#define AFB_SESSION_TIMEOUT_IS_VALID(x) ((x) >= AFB_SESSION_TIMEOUT_DEFAULT)
#define AFB_SESSION_TIMEOUT_DEFAULT -2
#define AFB_SESSION_TIMEOUT_IS_VALID(x) ((x) >= AFB_SESSION_TIMEOUT_DEFAULT)
extern void afb_session_foreach(void (*callback)(void *closure, struct afb_session *session), void *closure);
extern struct afb_session *afb_session_create (int timeout);
extern void afb_session_foreach(void (*callback)(void *closure, struct afb_session *session), void *closure);
extern struct afb_session *afb_session_create (int timeout);