178 				errx(1, "unsupported proxy protocol");  in main()
189 				errx(1, "interval %s: %s", errstr, optarg);  in main()
197 				errx(1, "ttl is %s: %s, valid values are "  in main()
204 				errx(1, "minimum ttl is %s: %s, valid values "  in main()
238 				errx(1, "timeout %s: %s", errstr, optarg);  in main()
268 			errx(1, "cannot use -u and -U");  in main()
290 		errx(1, "cannot use -s and -l");  in main()
292 		errx(1, "cannot use -r and -l");  in main()
294 		errx(1, "cannot use -B and -l");  in main()
303 		errx(1, "cannot use -z and -l");  in main()
305 		errx(1, "must use -l with -k");  in main()
307 		errx(1, "cannot use -l with -P, -X or -x");  in main()
321 			errx(1, "no proxy support for UDP mode");  in main()
324 			errx(1, "no proxy support for listen");  in main()
327 			errx(1, "no proxy support for unix sockets");  in main()
330 			errx(1, "no proxy support for IPv6");  in main()
333 			errx(1, "no proxy support for local source address");  in main()
336 			errx(1, "missing port specification");  in main()
363 					errx(1, "port number %s: %s",  in main()
582 		errx(1, "getaddrinfo: %s", gai_strerror(error));  in remote_connect()
602 				errx(1, "getaddrinfo: %s", gai_strerror(error));  in remote_connect()
606 				errx(1, "bind failed: %s", strerror(errno));  in remote_connect()
657 		errx(1, "getaddrinfo: %s", gai_strerror(error));  in local_listen()
820 			errx(1, "Invalid port/portlist format: "  in build_ports()
829 			errx(1, "port number %s: %s", errstr, token);  in build_ports()
836 				errx(1, "port number %s: %s", errstr, n);  in build_ports()
1021 		errx(1, "IP ToS/IPv6 TC is %s: %s, valid values are "  in parse_iptos()