-// Create a new store in RAM, not that is too small it will be automatically extended
-void afb_session_init (int max_session_count, int timeout, const char *initok)
+/**
+ * Initialize the session manager with a 'max_session_count',
+ * an initial common 'timeout' and an initial common token 'initok'.
+ *
+ * @param max_session_count maximum allowed session count in the same time
+ * @param timeout the initial default timeout of sessions
+ * @param initok the initial default token of sessions
+ *
+ */
+int afb_session_init (int max_session_count, int timeout, const char *initok)