fio_event_cb_t 1726 src/ftmod/ftmod_isdn/ftmod_isdn.c fio_event_cb_t event_callback = NULL; fio_event_cb_t 729 src/include/freetdm.h typedef ftdm_status_t (*fio_event_cb_t) FIO_EVENT_CB_ARGS ; fio_event_cb_t 418 src/include/private/ftdm_core.h fio_event_cb_t event_callback; fio_event_cb_t 477 src/include/private/ftdm_core.h fio_event_cb_t event_callback;