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ID: 15425, WinSock: IP address <-> host name resolving

by Alex Popkov Email: Anonymous

This demo shows how to get hostname of local computer, how get IP address by hostname and how to get hostname by IP address.
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For Delphi, Version 5.0  to 5.0 2722 downloads
Copyright: No significant restrictions

Size: 2,836 bytes
Updated on Sun, 02 May 2004 07:37:54 GMT
Originally uploaded on Sat, 09 Dec 2000 20:33:50 GMT
SHA1 Hash: D9675637D8C4E469D78758E1CFB99B5DDFF181D0
MD5 Hash: 151C5227E5839FA0D78B0944E3F21311

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There was some questions in borland.public.delphi.internet.winsock newsgroup about getting IP address by given host name (domain name), getting name by IP and getting name/IP of local computer. This demo illustrates answers to those questions. The demo uses only WinSock module directly without TClientSocket or TServerSocket components and without any 3rd party components. Only some WinSock API functions used: GetHostByAddr(), GetHostByName(), gethistname() and inet_*().

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