Find only set[gu]id files and devices, like old ncheck(1).

etc/security

@@ -21,7 +21,7 @@ set $MP
 ls -lgT `while test $# -ge 1; do
 	mount=$1
 	shift
-	find $mount -xdev \( -perm -u+s -or -perm -g+s \) | sort
+	find $mount -xdev \( \( -type f \( -perm -u+s -or -perm -g+s \) \) -or -type b -or -type c \) | sort
 done` > $TMP
 
 #MP=`mount -t ufs | sed 's;/dev/;&r;' | awk '{ print $1 " " $3 }'`
@@ -37,7 +37,7 @@ done` > $TMP
 
 if cmp $LOG/setuid.today $TMP >/dev/null; then :; else
 	echo "$host setuid/device diffs:"
-	diff $LOG/setuid.today $TMP
+	diff -w $LOG/setuid.today $TMP
 	mv $LOG/setuid.today $LOG/setuid.yesterday
 	mv $TMP $LOG/setuid.today
 fi