kvm_getenvv(3) on FreeBSD

The text 3acc6d3bf4ee, as FreeBSD 4.8-RELEASE, FreeBSD 4.7-RELEASE, FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE, FreeBSD 4.5-RELEASE shipped it.

access user process state

kvm_getenvv(3) on FreeBSD now