theo who keeps calling me a nasty hobbitsssess

ok deraadt@

the KERN_PROC2 sysctl.  Based on changes from NetBSD but uses our
own kvm_arg_sysctl().

- Talk about zeroing the last element of the longopts array.
- Remove '?' from the switch and some KNF to the code.
- Change 0's to NULL where appropriate.
jmc@ ok.

to built-ins, so eventually we will have one version of these files.
Special adjustments for the kernel to cope: machine/stdarg.h -> sys/stdarg.h
and machine/ansi.h needs to have a _BSD_VA_LIST_ for syslog* prototypes.
okay millert@, drahn@, miod@.

in the libc rpc code.  The main difference between this and the previous
version is the use of a simple free list that simplifies the logic when
adding a socket to svc_pollfd.  I've also added code to pack svc_pollfd
when the free list gets too big.  The idea general idea is to keep
svc_pollfd as tightly packed as possible to make poll(2) efficient.
Tested by many people and OK deraadt@

a problem when postfix w/ sasl & tls is used instead of sendmail
and perl is dynamically linked anyway.  Closes PR 3605.
OK deraadt@ and drahn@

o Prepare for the update to join(1).
o Handle non-ascii chars in pathnames for setuid and device checks.
ok millert@ deraadt@

o Round negative numbers correctly
o Do not print fractional valus for byte values
ok ian@ henning@

requested by theo

IPPROTO_PFSYNC -> 240
INADDR_PFSYNC_GROUP -> 224.0.0.240
ok deraadt@

ok deraadt@ millert@

ok deraadt@

requested by deraadt@

ok henning@