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Convert an IP address to a hostname


    int Ns_GetHostByAddr(
    Ns_DString *pds,
    char *addrStr


The Ns_GetHostByAddr function converts a numeric IP address into a host name. If no name can be found, the function returns NS_FALSE; otherwise, it returns NS_TRUE. Because the response time of the Domain Name Service can be slow, this function may significantly delay the response to a client. The hostname string is appended to the specified Ns_DString (pds).

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