ICMP Ping, C++ (vc++)

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#define _WINSOCK_DEPRECATED_NO_WARNINGS
#include <WS2tcpip.h>
#include <Windows.h>
#include <iphlpapi.h>
#include <IcmpAPI.h>

#include <iostream>

#pragma comment(lib, "Iphlpapi.lib")
#pragma comment(lib, "Ws2_32.lib")

int main()
{
    // Verify 64 bit
    std::cout << sizeof (void *) << std::endl;
    
    // Create the ICMP context.
    HANDLE icmp_handle = IcmpCreateFile();
    if (icmp_handle == INVALID_HANDLE_VALUE) {
        throw;
    }

// Parse the destination IP address.
    IN_ADDR dest_ip{};
    if (1 != InetPtonA(AF_INET, "89.238.162.170", &dest_ip)) {
        throw;
    }

// Payload to send.
    constexpr WORD payload_size = 1;
    unsigned char payload[payload_size] { 42 };

// Reply buffer for exactly 1 echo reply, payload data, and 8 bytes for ICMP error message.
    constexpr DWORD reply_buf_size = sizeof(ICMP_ECHO_REPLY) + payload_size + 8;
    unsigned char reply_buf[reply_buf_size]{};

// Make the echo request.
    DWORD reply_count = IcmpSendEcho(icmp_handle, dest_ip.S_un.S_addr,
        payload, payload_size, NULL, reply_buf, reply_buf_size, 10000);

// Return value of 0 indicates failure, try to get error info.
    if (reply_count == 0) {
        auto e = GetLastError();
        DWORD buf_size = 1000;
        WCHAR buf[1000];
        GetIpErrorString(e, buf, &buf_size);
        std::cout << "IcmpSendEcho returned error " << e << " (" << buf << ")" << std::endl;
        return 255;
    }

const ICMP_ECHO_REPLY *r = (const ICMP_ECHO_REPLY *) reply_buf;
    struct in_addr addr;
    addr.s_addr = r->Address;
    char *s_ip = inet_ntoa (addr);
    std::cout << "Reply from: " << s_ip << ": bytes=" << r->DataSize << " time=" << r->RoundTripTime << "ms TTL=" << (int) r->Options.Ttl << std::endl;

// Close ICMP context.
    IcmpCloseHandle(icmp_handle);
    return 0;
}

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Compilation time: 2,43 sec, absolute running time: 0,33 sec, absolute service time: 2,77 sec