📄 script.4
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kohala % ./udpcli01 192.3.4.5 echohi theresocket timeoutand hellosocket timeoutkohala % ./udpcli01 gemini.tuc.noao.edu echohello, worldICMP error: dest = 140.252.4.54.7, Connection refused, type = 3, code = 3kohala % ./udpcli01 192.3.4.5 echo helloICMP error: dest = 192.3.4.5.7, No route to host, type = 3, code = 1
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