The get_mac_addr() function was the only real blocker that prevented
building on BSD systems, as it used the Linux-specific SIOCGIFHWADDR
ioctl. When compiling for Linux, we still use this ioctl, but for the
BSD version we use sysctl().
This allows OwlPS Listener to build on BSD (tested on NetBSD, OpenBSD
and DragonFly). That doesn't mean it will actually work when trying to
capture packets though (that has to be tested on real hardware), but
that's still a progress.
Add the directory for all the future documentation. The file owlps.t2t
is aimed at being the entry point of all the other documentation pages.
Included are a Makefile to generate man pages and a couple of scripts to
improve the rendering.