Расскажите плизз, про gethostbyaddr?

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Yuran (2005-09-28 12:56) [0]

Расскажите как в Delphi пользоваться функцией gethostbyaddr.

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Digitman © (2005-09-28 17:23) [1]

пользоваться ей так как указано в станд.справке ..

а почитать оную ты, разумеется, не сподобился ...

См.
unit WinSock; //файл $Delphi$\Source\Rtl\Win\WinSock.pas {$EXTERNALSYM gethostbyaddr} function gethostbyaddr(addr: Pointer; len, Struct: Integer): PHostEnt; stdcall; MSDN gethostbyaddr The Windows Sockets gethostbyaddr function retrieves the host information corresponding to a network address. struct HOSTENT FAR * gethostbyaddr ( const char FAR *addr, int len, int type ); Parameters addr [in] Pointer to an address in network byte order. len [in] Length of the address. type [in] Type of the address, such as the AF_INET address family type (defined as TCP, UDP, and other associated Internet protocols). Address family types and their corresponding values are defined in the winsock2.h header file. Return Values If no error occurs, gethostbyaddr returns a pointer to the HOSTENT structure. Otherwise, it returns a NULL pointer, and a specific error code can be retrieved by calling WSAGetLastError.

там, же

const {$EXTERNALSYM AF_INET} AF_INET = 2; { internetwork: UDP, TCP, etc. }

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