It seems like the tgz at sourceforge is broken.
leka% gunzip rolodap-0.94.tar.gz
gunzip: rolodap-0.94.tar.gz: invalid compressed
Of course i've tried downloading the file several times
to different machines. Both with links and wget.
Gzip seems to be the same version in both debian potato
leka% gunzip -V
gunzip 1.2.4 (18 Aug 93)
DIRENT UTIME STDC_HEADERS HAVE_UNISTD_H