Stupid documentation says void *
Add rad_ajoin to join together an array of strings with a delimiter char
Temporarily add pcap functions to libradius
Move logging macros into radsniff.h
Switch to new logging macros in all places
Remove packet definitions from radsniff.h

Use pcap.h and fr_pcap library functions

Support listening on multiple interfaces using fr event loop

Move more configuration items into a structure
Typo
Don't print NULL error string...
We may only have permission to open some of the interfaces