Problems with fnct pcap_lookupdev()

[César Cárdenas <ccardena () itesm mx>]

Dear all:
I executed "windump -d" from a DOS window and the result is:

windump: listening on \Device\NPF_{FC45F544-C3FF-4FA6-AA41-EC5AC6F6DD4B}<000>
ret     #96

When I run the following simple code:

#include <stdio.h>
#include <pcap.h>

int main()
    {
    char           *dev;                    /*The device to sniff on*/
    char           errbuf[PCAP_ERRBUF_SIZE];/*Error string*/

    dev = pcap_lookupdev (errbuf);
    printf("Device: %s\n%s\n", dev, errbuf);
    return (0);
    }

The results are (in a DOS window):

Device: \
á=L

I am using Dev-cpp v 4.9.8.0. Does any body knows where is the problem?
It suppose to give results like:

eth0
fddi
...

I really appreciate any help you could provide me,
Please accept my best regards,

César Cárdenas

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