event_errx
event_errx(1, "%s: no event mechanism available", __func__);
event_errx(1, "%s: could not reinitialize event mechanism",
event_errx(1, "%s: %p(fd %d) not on queue %x", __func__,
event_errx(1, "%s: unknown queue %x", __func__, queue);
event_errx(1, "%s: %p(fd %d) already on queue %x", __func__,
event_errx(1, "%s: unknown queue %x", __func__, queue);
void event_errx(int eval, const char *fmt, ...) EV_CHECK_FMT(2,3);
event_errx(1, "%s: EV_SIGNAL incompatible use", __func__);