The files...
ftp://elsie.nci.nih.gov/pub/tzcode2006c.tar.gz
...and...
ftp://elsie.nci.nih.gov/pub/tzdata2006c.tar.gz
...are now available. These reflect the two sets of data changes
circulated late last month on the time zone mailing list by Paul Eggert;
they also reflect a fencepost error fix in zic.c and changes to zic.c
and the "europe" file to minimize differences between output produced by
the old 32-bit zic and the new 64-bit version.
The old 32-bit code remains available as
ftp://elsie.nci.nih.gov/pub/old-tzcode-32-bit-output.tar.gz