VOP_IOCTL(9) on FreeBSD

The text 96cdfa2747d9, as FreeBSD 5.5-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE, FreeBSD 5.2.1-RELEASE, FreeBSD 5.2-RELEASE shipped it.

device specific control

VOP_IOCTL(9) on FreeBSD now