kalae % ./udpcli01 198.82.204.99 echo hello, world ICMP error: type = 11, code = 0 testing ICMP error: type = 11, code = 0 kalae % ./udpcli01 gemini.tuc.noao.edu echo hi there ICMP error: type = 3, code = 3 hello socket timeout testing ICMP error: type = 3, code = 3
