Sams Teach Yourself C Programming in One Hour a Day, Seventh Edition is the newest version of the worldwide best-seller Sams Teach Yourself C in 21 Days. Fully revised for the new C11 standard and libraries, it now emphasizes platform-independent C programming using free, open-source C compilers. This edition strengthens its focus on C programming fundamentals, and adds new material on popular C-based object-oriented programming languages such as Objective-C.
Filled with carefully explained code, clear syntax examples, and well-crafted exercises, this is the broadest and deepest introductory C tutorial available. It's ideal for anyone who's serious about truly mastering C – including thousands of developers who want to leverage its speed and performance in modern mobile and gaming apps.

Friendly and accessible, it delivers step-by-step, hands-on experience that starts with simple tasks and gradually builds to professional-quality techniques. Each lesson is designed to be completed in hour or less, introducing and clearly explaining essential concepts, providing practical examples, and encouraging you to build simple programs on your own. Coverage includes:

Understanding C program components and structure

Mastering essential C syntax and program control

Using core language features, including numeric arrays, pointers, characters, strings, structures, and variable scope

Interacting with the screen, printer, and keyboard

Using functions and exploring the C Function Library

Working with memory and the compiler

Contents at a Glance

PART I: FUNDAMENTALS OF C
1 Getting Started with C
2 The Components of a C Program
3 Storing Information: Variables and Constants
4 The Pieces of a C Program: Statements, Expressions, and Operators
5 Packaging Code in Functions
6 Basic Program Control
7 Fundamentals of Reading and Writing Information

PART II: PUTTING C TO WORK
8 Using Numeric Arrays
9 Understanding Pointers
10 Working with Characters and Strings
11 Implementing Structures, Unions, and TypeDefs
12 Understanding Variable Scope
13 Advanced Program Control
14 Working with the Screen, Printer, and Keyboard

PART III: ADVANCED C
15 Pointers to Pointers and Arrays of Pointers
16 Pointers to Functions and Linked Lists
17 Using Disk Files
18 Manipulating Strings
19 Getting More from Functions
20 Exploring the C Function Library
21 Working with Memory
22 Advanced Compiler Use

PART IV: APPENDIXES
A ASCII Chart
B C/C++ Reserved Words
C Common C Functions
D Answers