Get local network connection adapter information specific Code _c language

The effect is as follows:

The specific code is as follows:

Copy Code code as follows:

#include <Windows.h>
#include <IPHlpApi.h>
#include <stdio.h>

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

int main (int argc, char **argv)
{
Pip_adapter_info padapterinfo = NULL;
ULONG Ullen = sizeof (Ip_adapter_info);
struct TM NewTime;
Char szbuffer[32];
errno_t error;

   //Request memory for Adapter structure
   //padapterinfo = (pip_adapter_info) GlobalAlloc (gptr, Ullen );
    padapterinfo = (pip_adapter_info) HeapAlloc (GetProcessHeap (), 0, sizeof (ip_adapter_info));
    if (NULL = padapterinfo)
    {
         printf ("Error allocating memory needed to call getadaptersinfo.\n");
        return 1;
   }

    if (Error_buffer_overflow = GetAdaptersInfo (Padapterinfo, &ullen))
    {
        HeapFree (GetProcessHeap (), 0, Padapterinfo);
        padapterinfo = (pip_adapter_info) HeapAlloc (GetProcessHeap (), 0, Ullen);
        if (NULL = padapterinfo)
         {
            printf ("Error allocating memory needed to call getadaptersinfo.\n ");
            return 1;
       }
   }

Get Local Adapter structure information
if (error_success!= getadaptersinfo (Padapterinfo, &ullen))
{
printf ("GetAdaptersInfo error!\n");
return 0;
}
if (NULL = = Padapterinfo)
{
printf ("There is no adapters!\n");
return 0;
}

Setconsoletitle (TEXT ("Local Network Connection adapter information");

Todo
{
printf ("comboindex:%d\n", Padapterinfo->comboindex);
printf ("Adapter name:%s\n", padapterinfo->adaptername);
printf ("Adapter desc:%s\n", padapterinfo->description);
printf ("Adapter Addr:");
for (size_t i = 0; i < padapterinfo->addresslength; i++)
{
if (i = = (padapterinfo->addresslength-1))
{
printf ("%02x", (int) padapterinfo->address[i]);
}
Else
{
printf ("%02x-", (int) padapterinfo->address[i]);
}
}
printf ("\ n");
printf ("index:%d\n", Padapterinfo->index);
printf ("Type:");
Switch (padapterinfo->type)
{
Case mib_if_type_other:printf ("other\n"); Break
Case mib_if_type_ethernet:printf ("ethernet\n"); Break
Case mib_if_type_tokenring:printf ("Token ring\n"); Break
Case mib_if_type_fddi:printf ("fddi\n"); Break
Case mib_if_type_ppp:printf ("ppp\n"); Break
Case mib_if_type_loopback:printf ("lookback\n"); Break
Case mib_if_type_slip:printf ("slip\n"); Break
default:printf ("Unknow type%ld\n", Padapterinfo->type); Break
}
printf ("IP address:%s\n", padapterinfo->ipaddresslist.ipaddress.string);
printf ("IP mask:%s\n", padapterinfo->ipaddresslist.ipmask.string);
printf ("gateway:%s\n", padapterinfo->gatewaylist.ipaddress.string);

if (padapterinfo->dhcpenabled)
{
printf ("DHCP enabled:yes\n");
printf ("DHCP server:%s\n", padapterinfo->dhcpserver.ipaddress.string);
printf ("Lease obtained:");
Error = _localtime32_s (&newtime, (__time32_t*) &padapterinfo->leaseobtained);
if (Error)
{
printf ("Invalid Argument to _localtime32_s.\n");
}
Else
{
Error = asctime_s (Szbuffer, &newtime);
if (Error)
{
printf ("Invalid Argument to asctime_s.\n");
}
Else
{
printf ("%s", szbuffer);
}
}

printf ("Lease Expires:");
Error = _localtime32_s (&newtime, (__time32_t*) &padapterinfo->leaseexpires);
if (Error)
{
printf ("Invalid Argument to _localtime32_s.\n");
}
Else
{
Error = asctime_s (Szbuffer, &newtime);
if (Error)
{
printf ("Invalid Argument to asctime_s.\n");
}
Else
{
printf ("%s", szbuffer);
}
}
}
Else
{
printf ("DHCP enabled:no\n");
}

if (padapterinfo->havewins)
{
printf ("Have wins:yes\n");
printf ("Primary Wins server:%s\n", padapterinfo->primarywinsserver.ipaddress.string);
printf ("Secondary Wins server:%s\n", padapterinfo->secondarywinsserver.ipaddress.string);
}
Else
{
printf ("Have wins:no\n");
}

printf ("=================================================================\n");

Padapterinfo = padapterinfo->next;
while (Padapterinfo);

if (padapterinfo)
{
HeapFree (GetProcessHeap (), 0, Padapterinfo);
}

return 0;
}