void iochan_add(iochan_man_t man, IOCHAN chan);
void iochan_man_events(iochan_man_t man);
void iochan_man_destroy(iochan_man_t *mp);
void iochan_add(iochan_man_t man, IOCHAN chan);
void iochan_man_events(iochan_man_t man);
void iochan_man_destroy(iochan_man_t *mp);