Some of the commands have been adapted manually. So the wrapper
currently don't necessarily work as expected. For example ifconfig calls
malloc outside of the program call.
Implement the PCAP loop in a separate thread and block the shell
thread in the stdin getchar. When a user presses enter/return
call the PCAP break loop function to have it return.
- Update the file builder generator to handle generator specific cflags and
includes. The tcpdump and libpcap have localised headers and need specific
headers paths to see them. There are also module specific flags and these
need to be passed to the lex and yacc generators.
- Add the tcpdump support.
