use printf(1) here.  This way there is no possibility of format
string problems and we use a shell builtin instead of an external
command.

inspiration from dynamo@ime.net.
also a typo fix.

breaks and getting rid of short lines, making these files easier to work with.

may be no /etc/mail/sendmail.cf so don't include that in the check
for whether or not to run /usr/sbin/sendmail.  Instead, check for
the existence of /etc/mailer.conf.  Pointed out by Theo.

-q flag to ls(1) so that non-printable characters will appear as '?'. This
prevents a malicious user from fooling the administrator into thinking the
contents of a file name are actually valid script output (note that you can
put newlines in file names); deraadt@ ok

be passed to the command interpreter.

are created properly.

need to add it.

xterm or equivalent

argument to .Dt, and move the BUGS section to the end like most man pages.
This is my 1000th commit since joining the OpenBSD dev team.

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.