git: grdc(6): Various code cleanups

[Aaron LI]

commit 7b8d5f41223d4cefae24cc6968f9663fad01e75b
Author: Aaron LI <aly at aaronly.me>
Date:   Sun Feb 21 12:23:19 2021 +0800

    grdc(6): Various code cleanups
    
    * Staticize various variables and functions.
    * Reduce file-global variables.
    * Minor style updates.
    * Add a copyright header (as did by OpenBSD).

Summary of changes:
 games/grdc/grdc.c | 109 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 59 insertions(+), 50 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/7b8d5f41223d4cefae24cc6968f9663fad01e75b


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