Re: zlib's gzseek return gabbage and fails intermittently under wine.

[Vincent Povirk]

> considering how old zlib is and the vast number of windows application which uses zlib

Given how many people duplicate the effort to package zlib, the fact
that they're rarely updated, and the sort of problems gnulib exists to
work around, it would not surprise me if your particular zlib binary
is broken somehow.