GPT答：

7i24.cn

的代码

#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0400
#endif
#include <windows.h>
#include <winsock2.h>
#include <iphlpapi.h>
#include <stdio.h>

#pragma comment(lib, "Iphlpapi")

int _tmain(int argc, _TCHAR* argv[])
{
   PIP_ADAPTER_INFO pAdapterInfo;
   PIP_ADAPTER_INFO pAdapter = NULL;
   DWORD dwRetVal = 0;

   ULONG ulOutBufLen = sizeof(IP_ADAPTER_INFO);
   pAdapterInfo = (IP_ADAPTER_INFO*) malloc(sizeof(IP_ADAPTER_INFO));

   if (pAdapterInfo == NULL)
   {
      printf( "Error allocating memory needed to call GetAdaptersInfo\n"); 
      return 1;
   }

   if ((dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen)) == ERROR_BUFFER_OVERFLOW)
   {
      free(pAdapterInfo);
      pAdapterInfo = (IP_ADAPTER_INFO*)malloc(ulOutBufLen);

      if (pAdapterInfo == NULL)
      {
         printf("Error allocating memory needed to call GetAdaptersInfo\n");
         return 1;
      }
   }

   if ((dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen)) == NO_ERROR)
   {
      pAdapter = pAdapterInfo;

      while (pAdapter)
      {
         printf("\tAdapter Name: \t%s\n", pAdapter->Description);
         printf("\tAdapter IP: \t%s\n", pAdapter->IpAddressList.IpAddress.String);

         pAdapter = pAdapter->Next;
      }
   } 
   else
   {
      printf("GetAdaptersInfo failed with error: %d\n", dwRetVal);
   }

   if (pAdapterInfo)
   {
      free(pAdapterInfo);
   }

   getchar();

   return 0;
}