o fix typo in getsid() that broke getsid(pid) where pid != 0
o cause getsid() and getpgid() to return EPERM if requesting the
id of a session/process group not in the current session
o check for NULL session in getsid() for exiting processes

is used as that device. ttyEcfg needs to be created for wscons tools.
Additional cleanup and comments.

/dev/null too.  Otherwise, if there is a name resolution problem
the rc files may finish before sendmail forks into a daemon and it
will complain about EBADF on stderr (since init revoked it).
From a discussion between Theo and myself.

Closes PR 1246

MAKEDEV entry and manpage.

section.

setusercontext() in most places where previously we did a setlogin().
Add default login.conf file and put root in the "daemon" login class.

which will come later.  At this stage it is primarily used for setting
resource limits.

defined order, so we should return ::1 first.

onto separate lines in the NAME section.

millert@ ok.

strtofflags/fflagstostr to convert file flags
to/from binary from/into a string as used in chflags(1).
use u_int32_t instead of u_long (as freebsd does).
increase libc minor.
millert@ ok.

$securelevel; noted by ho@

- Add ntpdate and rdate rc knobs
Approved-And-Assisted-By: millert

on reboot timing out on DNS problems.

combines binary search and table lookup.
tested on i386, sparc, ppc, hppa