device_get_unit(9) on FreeBSD
The text 5c24e09d7a66, as FreeBSD 3.2-RELEASE, FreeBSD 3.1-RELEASE, FreeBSD 3.0-RELEASE shipped it.
access the unit number of a device
The text 5c24e09d7a66, as FreeBSD 3.2-RELEASE, FreeBSD 3.1-RELEASE, FreeBSD 3.0-RELEASE shipped it.
access the unit number of a device