games: remove trailing whitespace in *.c and *.h

Pass the move info around instead of using it as a global.

Crack down on global variables with single-letter names.

rename text() to wrtext(), aligning it with most other output routines,
and avoiding a compile error on powerpc64.

XXX: this tries to make a ".text" symbol, which already exists...

sprinkle static

KNF and WARNS=3 fixes

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22269, verified by myself.

The patch below makes the game backgammon(6) use `const' where
appropriate. It also removes some obsolete, unused code to check the
number of users on the system (obsoleted by dm); removes a prototy

The patch below makes the game backgammon(6) use `const' where
appropriate. It also removes some obsolete, unused code to check the
number of users on the system (obsoleted by dm); removes a prototype
for an unused function that was removed earlier; and removes a control
character from one message that was I think intended to clear the
screen on some particular terminal (though I can't find the comment to
that effect in any of the BSD source trees I have handy) but no longer
serves any useful purpose.

From PR 6580 by Joseph Myers <jsm28@cam.ac.uk>.

Also contains two more patches, one in teachgammon/tutor.h (by Joseph)
and one in common_source/fancy.c (by me).

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KNF & WARNSify, and only compile common_source once/* (compiles 25% faster)

clean up import

Add RCS identifiers.

initial import of 386bsd-0.1 sources