C Programming Tutorial
,C PROGRAMMING TUTORIAL
Simply Easy Learning by tutorialspoint.com
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, Table of Contents
C Language Overview .............................................................. 1
Facts about C ............................................................................................... 1
Why to use C ? ............................................................................................. 2
C Programs .................................................................................................. 2
C Environment Setup ............................................................... 3
Text Editor ................................................................................................... 3
The C Compiler ............................................................................................ 3
Installation on Unix/Linux ............................................................................. 4
Installation on Mac OS .................................................................................. 4
Installation on Windows ............................................................................... 4
C Program Structure ................................................................ 5
C Hello World Example ................................................................................. 5
Compile & Execute C Program ....................................................................... 6
C Basic Syntax ......................................................................... 7
Tokens in C .................................................................................................. 7
Semicolons ; ................................................................................................ 7
Comments ................................................................................................... 8
Identifiers .................................................................................................... 8
Keywords .................................................................................................... 8
Whitespace in C ........................................................................................... 9
C Data Types ......................................................................... 10
Integer Types ............................................................................................. 10
Floating-Point Types ................................................................................... 11
The void Type ............................................................................................ 12
C Variables ............................................................................ 13
Variable Declaration in C ................................Error! Bookmark not defined.
Variable Initialization in C ...............................Error! Bookmark not defined.
Lvalues and Rvalues in C ............................................................................. 15
C Constants and Literals ........................................................ 17
Integer literals............................................................................................ 17
Floating-point literals.................................................................................. 18
Character constants.................................................................................... 18
iii
,C PROGRAMMING TUTORIAL
Simply Easy Learning by tutorialspoint.com
tutorialspoint.com
i
, COPYRIGHT & DISCLAIMER NOTICE
All the content and graphics on this tutorial are the property of tutorialspoint.com. Any content from
tutorialspoint.com or this tutorial may not be redistributed or reproduced in any way, shape, or form without the
written permission of tutorialspoint.com. Failure to do so is a violation of copyright laws.
This tutorial may contain inaccuracies or errors and tutorialspoint provides no guarantee regarding the accuracy of
the site or its contents including this tutorial. If you discover that the tutorialspoint.com site or this tutorial
content contains some errors, please contact us at
ii
, Table of Contents
C Language Overview .............................................................. 1
Facts about C ............................................................................................... 1
Why to use C ? ............................................................................................. 2
C Programs .................................................................................................. 2
C Environment Setup ............................................................... 3
Text Editor ................................................................................................... 3
The C Compiler ............................................................................................ 3
Installation on Unix/Linux ............................................................................. 4
Installation on Mac OS .................................................................................. 4
Installation on Windows ............................................................................... 4
C Program Structure ................................................................ 5
C Hello World Example ................................................................................. 5
Compile & Execute C Program ....................................................................... 6
C Basic Syntax ......................................................................... 7
Tokens in C .................................................................................................. 7
Semicolons ; ................................................................................................ 7
Comments ................................................................................................... 8
Identifiers .................................................................................................... 8
Keywords .................................................................................................... 8
Whitespace in C ........................................................................................... 9
C Data Types ......................................................................... 10
Integer Types ............................................................................................. 10
Floating-Point Types ................................................................................... 11
The void Type ............................................................................................ 12
C Variables ............................................................................ 13
Variable Declaration in C ................................Error! Bookmark not defined.
Variable Initialization in C ...............................Error! Bookmark not defined.
Lvalues and Rvalues in C ............................................................................. 15
C Constants and Literals ........................................................ 17
Integer literals............................................................................................ 17
Floating-point literals.................................................................................. 18
Character constants.................................................................................... 18
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