Beverly Guillermo <[EMAIL PROTECTED]> writes:
> I was looking at the ipchains manpage and I got this about the option that
> you're using.
>
>
> -l, --log
> Turn on kernel logging of matching packets. When
> this option is set for a rule, the Linux kernel
> will print some information of all matching packets
> (like most IP header fields) via printk().
>
> What exactly is printk()? I haven't found any information about that
> particular function.
It's a re-entrant printing function that doesn't use the run-time C
libraries. Kernel hackers use printk()when they need to output
something, and the libraries are inaccessible or may interfere with a
kernel-level function.
Robert
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