Chapter 22: Technical annex
This introduction explains when C23 toolchain support or differences from the author’s development environment may limit the annex’s usefulness.
After this chapter you will be able to
- C23 toolchain support. Explain that an incomplete C23 implementation can cause difficulties with features used in the book, and identify where to check toolchain conformance.
What it builds on
- Compiling and running (chapter 1) · Familiarity with compiling programs using a development toolchain
Section by section
Introduction
This introduction explains when C23 toolchain support or differences from the author’s development environment may limit the annex’s usefulness.
- C23 toolchain support: Explain that an incomplete C23 implementation can cause difficulties with features used in the book, and identify where to check toolchain conformance.
Why it matters: Checking C23 support can help explain why a book example does not work with a particular toolchain. - Annex applicability limits: Describe the author’s main development setting and why the annex may offer limited help to readers using substantially different systems.
Why it matters: The author’s stated environment helps set expectations for how much troubleshooting guidance the annex can provide.
Key terms: C23, development framework, toolchains, C23 conformance, open source compilers, gcc, clang, glibc/Linux, musl/Linux
Concepts explained in this chapter
- C23C23 is the ISO standard revision of the C programming language published in 2024.
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