Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Switch to our preferred 2-clause BSD license.

Approved by: bp

/* -> /*- for copyright notices, minor format tweaks as necessary

KSE Milestone 2
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is functionally equivalent to teh previousl -current except
that there is a thread associated with each process.

Sorry john! (your next MFC will be a doosie!)

Reviewed by: peter@freebsd.org, dillon@freebsd.org

X-MFC after: ha ha ha ha

Try to obtain timezone offset from an environment of mount program.
This helps in cases where CMOS clock set to UTC time.

Forward declare some structs so that this header is more self-suifficent.

Import kernel part of ncplib: netncp and nwfs

Reviewed by: msmith, peter
Obtained from: ncplib