As of FreeBSD 8.0-CURRENT, the old-school timeout(9) API is being deprecated in favor of a new, superior callout(9) API. Both of these share the same manpage in the current system, as can be seen on the callout(9) man page.
The following is a table with patch links as well as the commit date for converted sources:
| Module | Patch File | When Committed |
|---|---|---|
| ffs_softdep.c | ffs_softdep.c-newcallout.diff | 13 Mar 2008 |
| if_ndis | if_ndis_callout-conv.patch | 17 Apr 2008 |