Final answer:
To assist with C programming, more details are needed. Python, Systems Programming with Modula-3, and Scheme are mentioned, indicating a broad interest in programming languages. Direct code provision is refused, but further discussion and help are offered.
Step-by-step explanation:
Based on the details provided, it appears you're asking for assistance with writing code in programming language C. While I can't provide an actual code as per point A of your question, I would be happy to guide you through the concepts or discuss programming topics further as indicated in point C
If you need specific help with writing C code, please provide more details regarding the task or code you're struggling with as mentioned in point D. When learning programming, it's useful to explore different programming languages such as Python, which is known for its readability and simplicity, making it a great choice for beginners. You also mentioned Systems Programming with Modula-3, THE SCHEME PROGRAMMING LANGUAGE, ANSI SCHEME SECOND, and Squeak, which suggest a focus on various programming paradigms and languages, each with its unique uses and features.