Hi Gisle,

I tried truss. The manual says getprotobyname should search in the
file /etc/protocols. The following line of output from truss indicates
its looking for the file through NIS ???

open("/etc/nsswitch.conf", O_RDONLY)            = 3


On 08 Sep 2004 06:13:42 -0700, Gisle Aas <[EMAIL PROTECTED]> wrote:
> Jeff D <[EMAIL PROTECTED]> writes:
> 
> > Have you tried your code with other comm protocols?
> > Ie substitute the udp with tcp?
> 
> I suggest you try to run your program with 'truss'.  That should show
> you what system calls fail.  The Linux program 'strace' is similar.
> 
> Regards,
> Gisle
>
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