1var void
2var void
3cmd head
4def header_fmt "\n==> %s <==\n"
5str "%s: %I*d: positive numeric option argument expected"
6str "%s"
7str "%s"
8str "%s"
9def cp "/dev/stdin"
10str "%s: cannot open"
11str "%s: read error"
12str "write error"
13