how to programmatically get subnetmask

11-01-2003, 01:01 PM

Dear all
How can I programmatically get the subnet mask of the network
associated with my machine's one of the NICs? ( my machine has to
NICs.) Do we have some C function for that? Or else is there any other
way to get it from my machine inside my C program. This is to
eliminate a packet coming from another network.

I am working on Windows 98 and winsock.

Thanks for all your advices
Reply if any clarifications needed

Vinod Kumar P

11-01-2003, 08:57 PM

You could shell out to DOS and extract the mask from
ipconfig.exe /all.

"Vinod Kumar P" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed) m...
> Dear all
> How can I programmatically get the subnet mask of the network
> associated with my machine's one of the NICs? ( my machine has to
> NICs.) Do we have some C function for that? Or else is there any other
> way to get it from my machine inside my C program. This is to
> eliminate a packet coming from another network.
>
> I am working on Windows 98 and winsock.
>
> Thanks for all your advices
> Reply if any clarifications needed
>
> Vinod Kumar P

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