zip-reader: Read the whole central directory at .zip open time.
[pspp] / lib / tukey /
drwxr-xr-x   ..
-rw-r--r-- 69 README
-rw-r--r-- 992 automake.mk
-rw-r--r-- 13166 ptukey.c
-rw-r--r-- 7490 qtukey.c
-rw-r--r-- 962 tukey.h