client_stats = servers->get_client_stats();
for (size_t i = 0; i < client_stats.size(); ++i) {
fprintf(fp, "%s %d %d %s %d %llu %llu %llu\n",
client_stats = servers->get_client_stats();
for (size_t i = 0; i < client_stats.size(); ++i) {
fprintf(fp, "%s %d %d %s %d %llu %llu %llu\n",
(long long unsigned)(client_stats[i].bytes_sent),
(long long unsigned)(client_stats[i].bytes_lost),
(long long unsigned)(client_stats[i].num_loss_events));
(long long unsigned)(client_stats[i].bytes_sent),
(long long unsigned)(client_stats[i].bytes_lost),
(long long unsigned)(client_stats[i].num_loss_events));