device_get_ivars(9) on FreeBSD

The text 8cc40866f8ef, as FreeBSD 4.3-RELEASE, FreeBSD 4.2-RELEASE, FreeBSD 4.1.1-RELEASE, FreeBSD 4.1-RELEASE, FreeBSD 4.0-RELEASE shipped it.

access bus private variables

device_get_ivars(9) on FreeBSD now