pvt 222 lib/tevent/tevent.h void tevent_req_set_callback(struct tevent_req *req, tevent_req_fn fn, void *pvt); pvt 370 lib/tevent/tevent_req.c void tevent_req_set_callback(struct tevent_req *req, tevent_req_fn fn, void *pvt) pvt 373 lib/tevent/tevent_req.c req->async.private_data = pvt;