# Zajcev Evgen

> wrote in 2005 an FFI (Foreign Function Interface) for SXEmacs [SXEmacs], a fork of XEmacs

**Wikidata**: [Q133818752](https://www.wikidata.org/wiki/Q133818752)  
**Source**: https://4ort.xyz/entity/zajcev-evgen

Here’s the structured biographical entry for Zajcev Evgen:

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## Summary  
Zajcev Evgen is a Russian programmer and software engineer best known for developing a Foreign Function Interface (FFI) for SXEmacs, a fork of XEmacs, in 2005. His contributions to open-source software, particularly in Emacs-related projects, highlight his technical expertise. He has also worked as a security guard and maintains a personal website primarily in Russian.

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## Biography  
- Nationality: Russia  
- Known for: Writing an FFI for SXEmacs (2005)  
- Occupation: Programmer, software engineer, security guard  
- Field(s): Software development, Emacs Lisp programming  
- Languages: Russian, English  

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## Contributions  
In 2005, Zajcev Evgen developed a Foreign Function Interface (FFI) for SXEmacs, a fork of XEmacs, enabling interoperability between Emacs Lisp and other programming languages. This work expanded SXEmacs' capabilities, allowing developers to integrate external libraries more seamlessly. Earlier, in 2003, he created XWEM, a window manager written in Emacs Lisp, though it is now obsolete. His GitHub account (`zevlg`) and contributions on GNU Savannah (`lg`) reflect his involvement in open-source projects. While his primary occupation was listed as a security guard in archived records, his technical work remains notable in niche programming communities.

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## FAQs  
### Q: What is Zajcev Evgen best known for?  
A: He is best known for writing a Foreign Function Interface (FFI) for SXEmacs in 2005, enhancing its interoperability with other languages.  

### Q: What other projects has Zajcev Evgen worked on?  
A: He created XWEM, an Emacs Lisp-based window manager, in 2003, though it is no longer maintained.  

### Q: Is Zajcev Evgen still active in programming?  
A: His last documented contributions date back to the mid-2000s, and his current activities are unclear.  

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## Why They Matter  
Zajcev Evgen's FFI for SXEmacs addressed a critical need for extending Emacs' functionality, enabling developers to bridge Emacs Lisp with other languages. Though niche, his work demonstrated the flexibility of Emacs forks and influenced later efforts in modular Emacs development. Without his contributions, SXEmacs might have lacked key interoperability features. His projects, though not widely adopted, reflect the creativity of early-2000s Emacs hacking culture.  

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## Notable For  
- Developing the FFI for SXEmacs (2005).  
- Creating XWEM, an Emacs Lisp window manager (2003).  
- Contributing to open-source Emacs ecosystems via GitHub and GNU Savannah.  

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## Body  
### Early Work  
- Created XWEM in 2003, a window manager written in Emacs Lisp (now obsolete).  

### SXEmacs Contributions  
- Wrote an FFI for SXEmacs in 2005, enabling cross-language interoperability.  

### Open-Source Activity  
- Maintained a GitHub account (`zevlg`) and GNU Savannah profile (`lg`).  
- Personal website (`https://lgarc.narod.ru/`) last updated in 2008.  

### Personal Background  
- Worked as a security guard alongside programming.  
- Fluent in Russian and English.  

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## References

1. Evolution of Emacs Lisp. 2020