evcb_res         1266 opal/mca/event/libevent2022/libevent/event.c         short evcb_res;
evcb_res         1314 opal/mca/event/libevent2022/libevent/event.c         evcb_res = ev->ev_res;
evcb_res         1321 opal/mca/event/libevent2022/libevent/event.c         (evcb_callback)(evcb_fd, evcb_res, evcb_arg);