remove a couple hundred sys/param.h includes in userland code, and
also whack some sys/cdefs.h early includes which is such a brutally
bad pattern
ok bluhm mbuhl

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code t

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.

OK deraadt@

show more ...

o pass a random value as the second arg to ftok()
o call semget() with IPC_EXCL

This fixes a problem whereby multiple concurrent copies of the
regress test could use the same key and stomp over them

o pass a random value as the second arg to ftok()
o call semget() with IPC_EXCL

This fixes a problem whereby multiple concurrent copies of the
regress test could use the same key and stomp over themselves,
leading one to falsely believe there is a kernel bug.

show more ...

more gid_t and uid_t are unsigned

kill err(3) newlines; ok miod@, deraadt@

Manual cleanup of remaining userland __P use (excluding packages maintained outside the tree)

Test sysv semaphores. From NetBSD with changes.