PASS: gzip-env
PASS: helin-segv
PASS: help-version
PASS: hufts
PASS: keep
PASS: list
PASS: memcpy-abuse
PASS: mixed
PASS: null-suffix-clobber
PASS: stdin
PASS: trailing-nul
PASS: unpack-invalid
PASS: z-suffix
PASS: zdiff
PASS: zgrep-f
PASS: zgrep-context
PASS: zgrep-signal
PASS: znew-k
# PASS: 18
# XFAIL: 0
# FAIL: 0
# XPASS: 0