# 3 の倍数にマッチするルール
#
# 実行：/usr/lib/sendmail -bt -C mul3.cf
# デバッグ：/usr/lib/sendmail -bt -d21.12 -C mul3.cf
#
# 例：ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)
# Enter <ruleset> <address>
# > check 1234
# ...
# rewrite: ruleset 199 returns: false
# > check 223812
# ...
# rewrite: ruleset 199 returns: true

O OperatorChars=@0123456789

Scheck
R $* 3 $*	$1 0 $2
R $* 4 $*	$1 1 $2
R $* 5 $*	$1 2 $2
R $* 6 $*	$1 0 $2
R $* 7 $*	$1 1 $2
R $* 8 $*	$1 2 $2
R $* 9 $*	$1 0 $2
R $*		$: $>trans $1 @ 0
R @ 0		$@ true
R @ $-		$@ false
R $*		$#error: $1

Strans
R 0 $* @ 0	$@ $>trans $1 @ 0
R 0 $* @ 1	$@ $>trans $1 @ 1
R 0 $* @ 2	$@ $>trans $1 @ 2
R 1 $* @ 0	$@ $>trans $1 @ 1
R 1 $* @ 1	$@ $>trans $1 @ 2
R 1 $* @ 2	$@ $>trans $1 @ 0
R 2 $* @ 0	$@ $>trans $1 @ 2
R 2 $* @ 1	$@ $>trans $1 @ 0
R 2 $* @ 2	$@ $>trans $1 @ 1