자신의 아이피를 얻어오는 함수 : Windows 버전

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//------------------------------------------------------------------------------
//
// Get machine ip addresses by sockaddr for sockaddr_in/sockaddr_in6.
//
// AUTHOR  : Yubin Lim
// DATE    : 2004-11-05
// EMAIL   : purewell at purewell dot biz
// REQUIRE : MICROSOFT PLATFORM SDK(IPHLPAPI.LIB),
//           WINDOWS XP,
//           Visual C/C++ Compiler
//
//------------------------------------------------------------------------------
#include <cstdio>
#include <cstdlib>
#include <iostream>
using namespace std;
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iptypes.h>
#include <iphlpapi.h>
#pragma comment(lib, "iphlpapi")
#pragma comment(lib, "ws2_32")
static bool win32_getMyIP(int nFamily)
{
  DWORD dwRet;
 
 
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