zziplib (a lightweight zip library)

zziplib provides read access on zip archives and unpacked data. It
features an additional simplified API following the standard Posix API
for file access.

The zziplib library is intentionally lightweight, it offers the
ability to easily extract data from files archived in a single zip
file. Applications can bundle files into a single zip archive and
access them. The implementation is based only on the (free) subset
of compression with the zlib algorithm which is actually used by the
zip/unzip tools.