Something

        if ((last_member = interface_exists(q, interface))) {
            if ((look = q->members) == last_member) {
                ast_mutex_lock(&last_member->member_lock);
                q->members = last_member->next;
                q->membercount--;
                ast_mutex_unlock(&last_member->member_lock);
            } else {
                while (look != NULL) {
                    if (look->next == last_member) {
                        ast_mutex_lock(&last_member->member_lock);
                        look->next = last_member->next;
                        q->membercount--;
                        ast_mutex_unlock(&last_member->member_lock);
                        break;
                    } else {
                        look = look->next;
                    }
                }
            }
            manager_event(EVENT_FLAG_AGENT, "QueueMemberRemoved",
                "Queue: %s\r\n"
                "Location: %s\r\n"
                "MemberName: %s\r\n",
                q->name, last_member->interface, last_member->membername);
            usleep(1);
            ast_mutex_lock(&last_member->member_lock);
            ast_mutex_unlock(&last_member->member_lock);
            ast_mutex_destroy(&last_member->member_lock);
            free(last_member);