_EVENT_LOG_WARN 86 third_party/libevent/log.c _warn_helper(_EVENT_LOG_WARN, errno, fmt, ap); _EVENT_LOG_WARN 107 third_party/libevent/log.c _warn_helper(_EVENT_LOG_WARN, -1, fmt, ap); _EVENT_LOG_WARN 175 third_party/libevent/log.c case _EVENT_LOG_WARN: