./myaddrinfo4: === hostname null.porcupine.org ===
./myaddrinfo4: warning: hostname_to_sockaddr(null.porcupine.org:(null)): No address associated with hostname
./myaddrinfo4: === host address 10.0.0.0 ===
./myaddrinfo4: 10.0.0.0:(null) -> family=2 sock=1 proto=0 10.0.0.0:0
./myaddrinfo4: warning: sockaddr_to_hostname: hostname nor servname provided, or not known
