Win32 IPHelper functions are missing

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Hi..
Ive just started to learn IP Helper API and i was following this tutorial which is linked below and came across an error of missing a function.

https://msdn.microsoft.com/en-us/library/aa366314(v=vs.85).aspx[^]

C++

if (GetAdaptersInfo( pAdapterInfo, &ulOutBufLen) != ERROR_SUCCESS) {
    free (pAdapterInfo);
    pAdapterInfo = (IP_ADAPTER_INFO *) malloc ( ulOutBufLen );
}

this GetAdaptersInfo function, visual studio says Error: identifier "GetAdaptersInfo" is undefined.
I have
<iphlpapi.h>
<windows.h>
<winsock2.h> header files included in my program.

Whats the wrong with this ? What header file or anything i should include to get this function work ? Ive googled and I found nothing. :(

Thanks in advance.

Posted 5-Mar-15 4:18am

Mark

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Jochen Arndt 5-Mar-15 10:49am

Which header files are included?
GetAdaptersInfo is declared in Iphlpapi.h.

Mark 5-Mar-15 10:50am

iphlpapi.h
windows.h
winsock2.h

Jochen Arndt 5-Mar-15 10:59am

Then the function declaration should be found as long as the header file is included by the source file containing your code snippet.

What is the error number?
C3861 or LNK2019?

If it is the linker error, you must add the iphlpapi.lib to your project.

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Richard MacCutchan · Accepted Answer · 2015-03-05T05:28:00

Solution 1

See the comments at the beginning of https://msdn.microsoft.com/en-us/library/windows/desktop/aa365917%28v=vs.85%29.aspx[^].

Posted 5-Mar-15 5:28am

Richard MacCutchan