Book Image

Practical C Programming

By : B. M. Harwani
Book Image

Practical C Programming

By: B. M. Harwani

Overview of this book

Used in everything from microcontrollers to operating systems, C is a popular programming language among developers because of its flexibility and versatility. This book helps you get hands-on with various tasks, covering the fundamental as well as complex C programming concepts that are essential for making real-life applications. You’ll start with recipes for arrays, strings, user-defined functions, and pre-processing directives. Once you’re familiar with the basic features, you’ll gradually move on to learning pointers, file handling, concurrency, networking, and inter-process communication (IPC). The book then illustrates how to carry out searching and arrange data using different sorting techniques, before demonstrating the implementation of data structures such as stacks and queues. Later, you’ll learn interesting programming features such as using graphics for drawing and animation, and the application of general-purpose utilities. Finally, the book will take you through advanced concepts such as low-level programming, embedded software, IoT, and security in coding, as well as techniques for improving code performance. By the end of this book, you'll have a clear understanding of C programming, and have the skills you need to develop robust apps.
Table of Contents (20 chapters)

Converting a decimal number into binary using bit masking 

In this recipe, we will learn how to convert a decimal number into a binary number by masking certain bits of a register. Masking means isolating or separating out the desired binary digits. Masking hides the undesired binary digits and makes only the desired binary digits visible.

How to do it…

To convert a decimal number into a binary number using bit masking, perform the following steps:

  1. Enter a decimal value. The decimal number entered is internally stored in the form of binary digits.
  2. Assign a number 1 followed by 31 zeros to a variable called mask.
  3. Mask each of the binary digits of the decimal number one by one, beginning from the...