The `cffi` package is an extension that implements a Foreign Function Interface for Tcl. The repository for the package is at https://github.com/apnadkarni/tcl-cffi. Current version as of 2022-06-01 is 1.0.7. Documentation pages are at https://cffi.magicsplat.com. Source distributions and binary packages for some platforms are at https://sourceforge.net/projects/magicsplat/files/cffi. See the https://github.com/apnadkarni/tcl-cffi/blob/main/README.md%|%README%|% for more. ***See also*** https://www.magicsplat.com/blog/cffi-libzip/%|%Driving Libzip with CFFI%|% <> Foreign Interfaces