==== cat_be ====
cat -be /home/src/regress/bin/cat/cat_be.in | cmp -s /home/src/regress/bin/cat/cat_be.out /dev/stdin

==== cat_se ====
cat -se /home/src/regress/bin/cat/cat_se.in | cmp -s /home/src/regress/bin/cat/cat_se.out /dev/stdin