I work on Ubuntu 7.10 and I'm investigating the netfilter source code.
I have downloaded the linux source using apt-get source linux-source-2.6.22
I'm looking for the nf_register_hook function which is declared in:
The problem is that I can't find the implementation of this function in linux-source-2.6.22-2.6.22/net/ipv4/netfilter.c
How is that possible? Can somebody please help?