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  • Book Overview & Buying Extreme C
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Extreme C

Extreme C

By : Kamran Amini
4.5 (29)
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Extreme C

Extreme C

4.5 (29)
By: Kamran Amini

Overview of this book

There’s a lot more to C than knowing the language syntax. The industry looks for developers with a rigorous, scientific understanding of the principles and practices. Extreme C will teach you to use C’s advanced low-level power to write effective, efficient systems. This intensive, practical guide will help you become an expert C programmer. Building on your existing C knowledge, you will master preprocessor directives, macros, conditional compilation, pointers, and much more. You will gain new insight into algorithm design, functions, and structures. You will discover how C helps you squeeze maximum performance out of critical, resource-constrained applications. C still plays a critical role in 21st-century programming, remaining the core language for precision engineering, aviations, space research, and more. This book shows how C works with Unix, how to implement OO principles in C, and fully covers multi-processing. In Extreme C, Amini encourages you to think, question, apply, and experiment for yourself. The book is essential for anybody who wants to take their C to the next level.
Table of Contents (27 chapters)
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Index

Finding a supported version of C standard

At the time of writing, it has been almost 8 years since C11 came out. Therefore, it would be expected that many compilers should support the standard, and this is indeed the case. Open source compilers such as gcc and clang both support C11 perfectly, and they can switch back to C99 or even older versions of C if needed. In this section, we show how to use specific macros to detect the C version and, depending on the version, how to use the supported features.

The first thing that is necessary when using a compiler that supports different versions of the C standard is being able to identify which version of the C standard is currently in use. Every C standard defines a special macro that can be used to find out what version is being used. So far, we have used gcc in Linux and clang in macOS systems. As of version 4.7, gcc offers C11 as one of its supported standards.

Let's look at the following example and see how already-defined...

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Extreme C
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