What cvs module contains libnvpair.c?

It appears that libnvpair has been orphaned in the repo-copying
of the CDDL bits.  At least, I haven't been able to locate the
module to which it belongs, which is needed with anoncvs checkout.

On one system where I use csup to populate src/ I find,

mobile:root[230] ls /usr/src/cddl/contrib/opensolaris/lib/libnvpair/
libnvpair.c             libnvpair.h             nvpair_alloc_system.c


On a system where I use anoncvs to grab src/ I find,

node10:root:exit:[243] cvs co cddl/contrib/opensolaris/lib/libnvpair/
cvs server: cannot find module `cddl/contrib/opensolaris/lib/libnvpair' - ignored
cvs [checkout aborted]: cannot expand modules

or

node10:root:exit:[244] cvs up cddl/contrib/opensolaris/lib/libnvpair
cvs [update aborted]: no such directory `cddl/contrib/opensolaris/lib'
node10:root:exit:[245] cvs up cddl/contrib/opensolaris
cvs [update aborted]: no such directory `cddl/contrib'
node10:root:exit:[246] cvs up cddl/contrib

Oddly, the last command appears to run, but no cddl/contrib 
directory is created or updated. :(

So, given that I'm using anoncvs to grab src/, how do I get a
complete src/ ?

-- 
Steve