Plan 9 from Bell Labs’s /usr/web/sources/patch/venti-copy-hash0-skip/files
/sys/src/cmd/venti/copy.c copy.c /sys/src/cmd/venti/test-data/find-trouble.c find-trouble.c /sys/src/cmd/venti/test-data/transcript transcript /sys/src/cmd/venti/test-data/trouble trouble