Beginner's Guide to C by Soni Hari - HTML preview

Beginners’ Guide to C

FIRST EDITION OCTOBER 2014

Copyright Information

©2014 All rights reserved.

Author Gayathri

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This book provides information on Programming with C. It has all the information from the basics that will help a beginner to start working with C programming language. As you all are aware that C is the basic programming language that will enhance and build your capability before learning and working with other programming languages. In addition the book gives you simple examples that will help you to work with the programming language.

Contents

INTRODUCTION TO PROGRAMMING LANGUAGES................................ 9

INTRODUCTION TO C LANGUAGE........................................................... 10

Software programs required for a C program .............................................................................. 10

STRUCTURE OF A C PROGRAM................................................................ 12

Compile & Execute C Program ......................................................................................................... 14

DATA TYPES ............................................................................................... 15

The void Type ...................................................................................................................................... 15

Variables .............................................................................................................................................. 16

VARIABLE DEFINITION IN C .................................................................... 17

Variable Initialization ........................................................................................................................ 17

Keywords ............................................................................................................................................. 18

Constants ............................................................................................................................................. 18

Cha ra cter cons tants ........................................................................................................................... 18

Stri ng Cons tants ................................................................................................................................. 19

Defining Constants............................................................................................................................. 19

The const Keyword ............................................................................................................................ 20

Escape Sequence ................................................................................................................................ 20

Beginners’ Guide to C

OPERATORS ................................................................................................ 23

Arithmetic Operators ........................................................................................................................ 25

Relational Operators ......................................................................................................................... 27

Logical Operators ............................................................................................................................... 29

Arithmetic Assignment Operators.................................................................................................. 30

The Conditional operator ................................................................................................................. 31

LOOPS AND CONDITIONS ......................................................................... 34

CONDITIONAL CONSTRUCTS ................................................................... 34

The if construct .................................................................................................................................. 35

The if..else cons truct .......................................................................................................................... 36

Swi tch construct................................................................................................................................. 37

LOOP CONSTRUCTS ................................................................................... 41

The while loop .................................................................................................................................... 41

The do…while loop............................................................................................................................. 43

The for loop ......................................................................................................................................... 45

ARRAYS........................................................................................................ 49

Character Arrays................................................................................................................................. 51

LIBRARY FUNCTIONS ................................................................................ 55

Mathematical Functions ................................................................................................................... 55

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Beginners’ Guide to C

String Function.................................................................................................................................... 58

The gets and puts Function .............................................................................................................. 58

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Beginners’ Guide to C