ipv6 inet_pton功能说明

基于VS2017

#include <iostream>
#include <stdio.h>   
#include <string.h>   
#include <winsock2.h>
#include <WS2tcpip.h>

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


int main()
{
    std::string ipv6str("1:2:3:0:5:6:7:8");
    sockaddr_in6 addr;
    //in6_addr addr;
    memset(&addr, 0, sizeof(addr));
    int iRet = inet_pton(AF_INET6, ipv6str.c_str(), &addr.sin6_addr);
    unsigned int ipv6Vec[4];
    memset(ipv6Vec, 0, sizeof(ipv6Vec));
    memcpy_s(ipv6Vec, sizeof(ipv6Vec), &addr.sin6_addr, sizeof(addr.sin6_addr));
    //std::cout << ipv6Vec[0] << ", " << ipv6Vec[1] << ", " << ipv6Vec[2] << ", " << ipv6Vec[3] << std::endl;

    char str[46];
    memset(str, 0, 46);
    const char* ptr = inet_ntop(AF_INET6, ipv6Vec, str, sizeof(str));
    return 0;
}