C++解析域名

BOOL  GetRealIpByDomainName(char *szHost, char szIp[50][100], int *nCount)
{
	WSADATA wsaData;
	HOSTENT *pHostEnt;
	int nAdapter = 0;
	struct sockaddr_in   sAddr;
	if (WSAStartup(0x0101, &wsaData))
	{
		printf(" gethostbyname error for host:\n");
		return FALSE;
	}

	pHostEnt = gethostbyname(szHost);
	if (pHostEnt)
	{
		while (pHostEnt->h_addr_list[nAdapter])
		{
			memcpy(&sAddr.sin_addr.s_addr, pHostEnt->h_addr_list[nAdapter], pHostEnt->h_length);

			sprintf_s(szIp[nAdapter], "%s", inet_ntoa(sAddr.sin_addr));

			nAdapter++;
		}

		*nCount = nAdapter;
	}
	else
	{
		DWORD  dwError = GetLastError();
		*nCount = 0;
	}
	WSACleanup();
	return TRUE;
}

来源：CSDN

作者：hu421160052

链接：https://blog.csdn.net/hu421160052/article/details/104791726