old_heads 3331 opal/mca/event/libevent2022/libevent/evdns.c struct request **old_heads = base->req_heads, **new_heads, *req; old_heads 3342 opal/mca/event/libevent2022/libevent/evdns.c if (old_heads) { old_heads 3344 opal/mca/event/libevent2022/libevent/evdns.c while (old_heads[i]) { old_heads 3345 opal/mca/event/libevent2022/libevent/evdns.c req = old_heads[i]; old_heads 3346 opal/mca/event/libevent2022/libevent/evdns.c evdns_request_remove(req, &old_heads[i]); old_heads 3350 opal/mca/event/libevent2022/libevent/evdns.c mm_free(old_heads);