155 		perror("malloc");  in child_thread()
247 		perror("setsockopt SO_RCVBUF");  in apply_rcvsnd_buf()
252 		perror("setsockopt SO_SNDBUF");  in apply_rcvsnd_buf()
289 		perror("setsockopt SO_RCVLOWAT");  in do_accept()
302 			perror("accept");  in do_accept()
309 			perror("pthread_create");  in do_accept()
374 			perror("socket");  in main()
385 			perror("setsockopt TCP_MAXSEG");  in main()
389 			perror("bind");  in main()
393 			perror("listen");  in main()
401 		perror("mmap");  in main()
407 		perror("socket");  in main()
416 		perror("setsockopt TCP_MAXSEG");  in main()
420 		perror("connect");  in main()
426 		perror("setsockopt SO_MAX_PACING_RATE");  in main()
430 		perror("setsockopt SO_ZEROCOPY, (-z option disabled)");  in main()