Has side effect of constraining dmz dev entries to the ttyXX convention.

contents start with a '-' test becomes unhappy (since it interprets it
as another option).

This lives in libutil because it uses pw_lock(3) and friends.  Needs
a man page (soon!).

Crank the shlib major number due to the interface change.

the login_* helper programs and other support will be committed in the
near future.

a single chunk with the strings pointing elsewhere in the buffer so
a simple free() of the struct passwd * is all that is needed to decallocate.

getpass(3) is now implemented in terms of readpasasphrase(3).

bsd_auth.h when BSD authentication is committed.

cases where we did not previously handle them.
Thanks to Scott Atwood <atwood@cs.stanford.edu> for reminding us of this.

From ianm@kashmir.cit.nepean.uws.edu.au.

that if a shutdown-less reboot occurs, the next re-seed is not a repeat

NL_TEXTMAX characters.

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.