ntohs madness??

[Harald Welte]

On Sun, Jul 08, 2001 at 07:04:12PM -0400, Ramkumar Chinchani wrote:
> I am new to netfilter framework and have been dabbling through the code and
> writing some simple examples of my own.

As this is more a development type question, I'd recommend asking the
netfilter-devel list in the future.

> I used ntohs() in my module code and it compiles fine. But when I insmod it,
> it says syn.o: unresolved symbol ntohs

this is because ntohs is, depending on architecture and optimization flags,
 actually a macro and not a function.

> Could someone tell me what is happening or what am i doing wrong?
I guess you didn't include byteorder/generic.h

> I followed ntohs and it seems to be merely a #define and I am sure I included
> all the relelvant ones.

I don't think so.

if it is a macro, there will be no symbol in the compiled module, and thus
no possibility at all for an unresolved symbol.

-- 
Live long and prosper
- Harald Welte / laforge@gnumonks.org               http://www.gnumonks.org/
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