Win XP中的AF_INET与Win 7中的AF_INET6 [英] AF_INET in win xp vs AF_INET6 in win 7

问题描述

大家好

我在示例应用程序中编写了代码.

Hi all

i wrote a code in sample application.

char            szHostName[255];
int iEc   = -1;
addrinfo* pAdInfo = NULL;

                // get the local hostname
if( gethostname(szHostName, 255) == SOCKET_ERROR )
{
    return ;
}

CString sTmp(szHostName);
::AfxMessageBox(sTmp);
iEc = getaddrinfo(szHostName, NULL, NULL, &pAdInfo);
if( S_OK == iEc )
{
    sTmp.Format(_T("family[%d]"),pAdInfo->ai_family);
    ::AfxMessageBox(sTmp);
}

它在窗口7中提供了不同的家庭，在窗口XP中提供了不同的家庭
胜利7:AF_INET6
赢得XP; AF_INET

我的问题是我怎样才能在两者中获得相同的ip4.

Thankyou

It gives different family in window 7 and different family in window XP
win 7 : AF_INET6
win xp; AF_INET

my question how can i can get the same ip4 in both.

thankyou

推荐答案

传递addrinfo结构以指定类型(IPv4或IPv6).请参见 getaddrinfo() [ addrinfo [

Pass an addrinfo structure to specify the type (IPv4 or IPv6). See the getaddrinfo()[^] function and the addrinfo[^] structure. When passing no addrinfo structure or setting the ai_family member to AF_UNSPEC, the returned family type is IPv6 when it is installed (always with Vista and later).

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