July 2025
Intermediate to advanced
304 pages
8h 6m
English
Content preview from Refactoring to Rust
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3 Introduction to C FFI and unsafe Rust
This chapter covers
- Understanding C Foreign Function Interface and its relation to unsafe Rust
- Performing normally forbidden operations with
unsafeRust - Refactoring a component of a C program into Rust
The last chapter provided a high-level overview of Rust code and discussed some elements of Rust that may be surprising or difficult to understand for new developers. Now that we’re able to write simple Rust programs, this chapter walks through an example of how to embed Rust code within an existing C program.
If we want to embed Rust code within an existing application, we need some very well-defined semantics for how the two languages communicate, how values are passed back and forth between ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.