ether_line(3) on FreeBSD

The text 4ccd33a531bc, as FreeBSD 2.2.8-RELEASE, FreeBSD 2.2.7-RELEASE, FreeBSD 2.2.6-RELEASE, FreeBSD 2.2.5-RELEASE, FreeBSD 2.2.2-RELEASE shipped it.

Ethernet address conversion and lookup routines

ether_line(3) on FreeBSD now