FB_API_VER        193 ext/interbase/ibase_events.c #if FB_API_VER >= 20
FB_API_VER        812 ext/interbase/interbase.c #ifdef FB_API_VER
FB_API_VER        813 ext/interbase/interbase.c 	snprintf( (s = tmp), sizeof(tmp), "Firebird API version %d", FB_API_VER);