it's not a piece of code but still may be helpful:
int pcap_lookupnet(char *device, bpf_u_int32 *netp,
bpf_u_int32 *maskp, char *errbuf)
pcap_lookupnet() is used to determine the network number and mask
associated with the network device device. Both netp and maskp are
bpf_u_int32 pointers.
A return of -1 indicates an error in which case errbuf is filled in
with an appropriate error message.
for default gateway, i'd look what netstat -r code does.
:)
good luck!
-alexm
11:41 25/02/2005
On Fri, 25 Feb 2005, Ramsurrun Visham wrote:
> Hi to all,
>
> Does anyone know of some piece of C code that can allow me to get me the ip
> addr, subnet mask and gateway ip addr of my machine itself (the one I'm
> running the code on)?
>
> I got a code snippet for getting the mac addr of my NIC but concerning the
> above info. that I require, I don't know how to do it.
>
> Regards,
> Visham
>
>
>
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