Extract headers
The goal of this merge request is to support the modular extraction to C of multi-file programs. To do this, we need to extract interface files.
GitLab upgrade completed. Current version is 18.5.4
https://about.gitlab.com/releases/2025/09/18/gitlab-18-4-released/
https://about.gitlab.com/releases/2025/10/16/gitlab-18-5-released/
The goal of this merge request is to support the modular extraction to C of multi-file programs. To do this, we need to extract interface files.