* false/false-returns-failure: Likewise.
* tar/tar-demands-at-least-one-ctx: Likewise.
* tar/tar-demands-at-most-one-ctx: Likewise.
echo foo >foo
echo bar >bar
-if busybox cmp -s foo bar; then
- return 1
-else
- return 0
-fi
+! busybox cmp -s foo bar
-if busybox false; then
- return 1
-else
- return 0
-fi
+! busybox false
-if busybox tar v; then
- return 1
-else
- return 0
-fi
+! busybox tar v
-if busybox tar tx; then
- return 1
-else
- return 0
-fi
+! busybox tar tx