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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

Assembler

As we explained before, a platform has to have an assembler in order to produce object files that contain correct machine-level instructions. In a Unix-like operating system, the assembler can be invoked by using the as utility program. In the rest of this section, we are going to discuss what can be put in an object file by the assembler.

If you install two different Unix-like operating systems on the same architecture, the installed assemblers might not be the same, which is very important. What this means is that, despite the fact that the machine-level instructions are the same, because of being on the same hardware, the produced object files can be different!

If you compile a program and produce the corresponding object file on Linux for an AMD64 architecture, it could be different from if you had tried to compile the same program in a different operating system such as FreeBSD or macOS, and on the same hardware. This implies that while the object files cannot...

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Extreme C
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