Get a list of devices

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#include "stdafx.h"

#include "Pcap.h"

int _tmain (int argc, _tchar* argv[])

{

pcap_if_t *alldevs;

pcap_if_t *d;

int i=0;

Char Errbuf[pcap_errbuf_size];

/* Get a list of local machine devices */

if (PCAP_FINDALLDEVS_EX (pcap_src_if_string, NULL/* auth is not needed */, &alldevs, errbuf) = =-1)

{

fprintf (stderr, "Error in PCAP_FINDALLDEVS_EX:%s\n", errbuf);

Exit (1);

}

/* Print List */

for (d= Alldevs; d! = NULL; d= d->next)

{

printf ("%d.%s", ++i, D->name);

if (d->description)

printf ("(%s) \ n", d->description);

Else

printf ("(No description available) \ n");

}

if (i = = 0)

{

printf ("\nno Interfaces found! Make sure WinPcap is installed.\n ");

return 0;

}

/* No more device list required, release it */

Pcap_freealldevs (Alldevs);

}

Get a list of devices