getaddrinfo(3) on FreeBSD
The text 6163e6731030, as FreeBSD 4.10-RELEASE, FreeBSD 4.9-RELEASE, FreeBSD 4.8-RELEASE, FreeBSD 4.7-RELEASE, FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE shipped it.
nodename-to-address translation in protocol-independent manner