/* /usr/lib/calendar produces an egrep -f file
that will select today's and tomorrow's
calendar entries, with special weekend provisions
printf("(^|[ (,;])((%s[^ ]* *|%d/)0*%d)([^0123456789]|$)\n",
month
[tm
->tm_mon
], tm
->tm_mon
+ 1, tm
->tm_mday
);
switch(localtime(&t
)->tm_wday
) {