+
+iochan_man_t iochan_man_create(int no_threads, int max_sockets);
+int iochan_add(iochan_man_t man, IOCHAN chan, int slack);
+void iochan_man_events(iochan_man_t man);
+void iochan_man_destroy(iochan_man_t *mp);
+void iochan_destroy(IOCHAN chan);
+