Pledge for backgammon and teachgammon.

Both are straightforward "stdio rpath tty" programs; teachgammon
exec's backgammon at the end, so give it "exec" in addition.

While there, ANSIfy

Sometimes, the computer's move was printed, but the computer's men didn't
actually move. This happened when "swap" was called earlier, and then
later in the final call to makmove(), swapping back wo

Sometimes, the computer's move was printed, but the computer's men didn't
actually move. This happened when "swap" was called earlier, and then
later in the final call to makmove(), swapping back would have been
required, but was erroneously denied. Patch sent in pjanzen@.

It looks like the bug was already present in the original version
in 4.1a BSD in 1982.

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rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(th

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

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Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

termios -> curses

NetBSD changes and further improvements and corrections

initial import of NetBSD tree