Book Image

Learn C Programming - Second Edition

By : Jeff Szuhay
Book Image

Learn C Programming - Second Edition

By: Jeff Szuhay

Overview of this book

The foundation for many modern programming languages such as C++, C#, JavaScript, and Go, C is widely used as a system programming language as well as for embedded systems and high-performance computing. With this book, you'll be able to get up to speed with C in no time. The book takes you through basic programming concepts and shows you how to implement them in the C programming language. Throughout the book, you’ll create and run programs that demonstrate essential C concepts, such as program structure with functions, control structures such as loops and conditional statements, and complex data structures. As you make progress, you’ll get to grips with in-code documentation, testing, and validation methods. This new edition expands upon the use of enumerations, arrays, and additional C features, and provides two working programs based on the code used in the book. What's more, this book uses the method of intentional failure, where you'll develop a working program and then purposely break it to see what happens, thereby learning how to recognize possible mistakes when they happen. By the end of this C programming book, you’ll have developed basic programming skills in C that can be easily applied to other programming languages and have gained a solid foundation for you to build on as a programmer.
Table of Contents (37 chapters)
Part 1: C Fundamentals
Part 2: Complex Data Types
Part 3: Memory Manipulation
Part 4: Input and Output
Part 5: Building Blocks for Larger Programs

Method 3

This one is the simplest of all if you have the locate program on your system.

In your terminal/console, enter the following command:

locate <filename.h>

You might also get a lot of output from this, since your system might have many versions of these header files.

Method 2 is best because it tells you exactly which header file the compiler is using. Once you have found the function you want to know more about in one of these files, you can then use the Unix man command to read about it on your system. To do so, enter the following into a terminal/console:

man 3 <function>

This tells man to look in section 3 for the given function. Section 3 is where C functions are described.

Alternatively, you could try the following:

man 7 <topic>

Section 7 is where general topics are described. There is a lot of information there.


If you are new to man, try entering man man and it will tell you about itself.