further info for EXIT STATUS from Ryan Kavanagh: in the diff he
originally sent, there was an important distinction that i ommitted,
since i used freebsd's text; reinstate that text now.
Remove an obsolete paragraph in the BUGS section about using ftp(1) with
4.2BSD servers.

ok jmc nick tedu
use FD_CLOEXEC instead of 1; from David Hill

ok otto
implement -h from libexec/identd, which hides usernames/uids.
add -h to usage();
ulpt(4) depends on firmload since its rev 1.41 when it got support for
uploading HP LaserJet firmwares. From Dennis Lindroos on bugs@
Remove most of pre-rc.d(8) backward compatibility.

ok krw@ sthen@ rpe@ halex@ dcoppa@
Extend P_SIGSUSPEND handling in userret() to properly restore the
sigmask even if there are no pending signals under the temporary
sigmask.

Refactor existing select() and poll() system calls to introduce the
pselect() and ppoll() system calls.

Add rthread wrappers for pselect() and ppoll().  While there, update
cancellation point comments to reflect recent fdatasync() addition.

Minor bumps for libc and librthread due to new symbols.

ok guenther, millert, deraadt, jmc
regen
Tweak previous: test __BSD_VISIBLE with #if, not #ifdef

ok matthew@
ignore SIGPIPE so we don't fall over if an ldap connection breaks

ok dlg@
copy input flags in result addrinfo structures.
Handle newer fiber adapters the same way as 82575/82576,
required to make 82580(i340) and i350 based adapters work.

Tested by Rogier Krieger on an i350-F2.
pull in BBU bits from freebsd
use MR_DCMD consistently. some MD_DCMD was in there somehow.
white space fixes
white space tweak
Remove unused function argument variables 'len' and 'auth' from
ntp_sendmsg().  They have been removed from the function body in the past
but not from the argument list.

From Maxime Villard
Do not take external buffers for storing DNS responses in the internal
async API.  That is actually useless and it makes the code more
complicated.  The required buffers are always allocated when needed.
remove params after API change.