> if you're writing code, you'll be either manually specifying the IP address family (so there's no real IPv6 risk) AF_ANY is a thing, and it’s a best practice

> if you're writing code, you'll be either manually specifying the IP address family (so there's no real IPv6 risk) AF_ANY is a thing, and it’s a best practice. gethostaddr (iirc) was the old interface, but nowadays getaddrinfo is almost the default and supports AF_ANY.