inet_net(3) on FreeBSD
The text 9df91e59c0f2, as FreeBSD 6.0-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE, FreeBSD 5.2.1-RELEASE, FreeBSD 5.2-RELEASE, FreeBSD 5.1-RELEASE shipped it.
Internet network number manipulation routines
The text 9df91e59c0f2, as FreeBSD 6.0-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE, FreeBSD 5.2.1-RELEASE, FreeBSD 5.2-RELEASE, FreeBSD 5.1-RELEASE shipped it.
Internet network number manipulation routines