2009年3月28日 星期六

Four types of network-related information





InformationData fileStructureKeyed lookup functions
Hosts/etc/hostshostentgethostbyaddr, gethostbyname
Networks/etc/networksnetentgetnetbyaddr,getnetbyname
Protocols/etc/protocolsprotoentgetprotobyname,getprotobynumber
Services/etc/servicesserventgetservbyname,getservbyport

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