C++

Resolve a Hostname to an IP Address

Demonstrates Socket.DnsLookup, which resolves a hostname and returns one numeric IP address.

Background. A maxWaitMs of 0 waits indefinitely; a positive value bounds the wait. Resolved results may be served from Chilkat's process-wide DNS cache.

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C++

#include <CkSocket.h>

void ChilkatSample(void)
    {
    CkSocket socket;

    //  Resolve a hostname to a numeric IP address, waiting up to 5 seconds.
    const char *ipAddress = socket.dnsLookup("example.com",5000);
    if (socket.get_LastMethodSuccess() == false) {
        std::cout << socket.lastErrorText() << "\r\n";
        return;
    }

    std::cout << "Resolved IP address: " << ipAddress << "\r\n";
    }