C Programming Tutorials
Basics of C:
Facts about C
Why to Use C
C Program File
C Compilers

Program Structure:
Simple C Program
C Program Compilation

Basic DataTypes:
DataTypes
Modifiers
Qualifiers
Arrays

Variable Types:
Local Variable
Global Variable

Storage Classes:
auto storage class
register storage class
static storage class
extern storage class

Using Constants:
Defining Constants
The enum Data Types

Operator Types:
Arithmetic Operators
Logical Operators
Bitwise Operators
Assignment Operators
Misc Operators

Control Statements:
Branching
Looping

Input and Output:
printf() function
scanf() function

Pointing to Data:
Pointers and Arrays
Pointer Arithmetic
Pointer Arithmetic with arrays

Functions:
Using functions
Declaration and Definition

Strings:
Reading and Writing Strings
String Manipulation Function

Structured DataTypes:
Structure
Pointer to Structure

Working with Files:
Files
Basic I/O

Bits:
Bits Manipulation
Bits Field

Pre-Processors:
Pre-Processors Examples
Parameterized Macros
Macro Caveats

Useful Concepts

Built-in Library Functions:
String Manipulation Function
Memory Management Function
Buffer Manipulation
Character Functions
Error Handling Functions

Soft Skills
Communication Skills
Leadership Skills
                              .........More

C Programming Tutorials

Basic Introduction
C is a general-purpose high level language that was originally developed by Dennis Ritchie for the Unix operating system. It was first implemented on the Digital Equipment Corporation PDP-11 computer in 1972.

The Unix operating system and virtually all Unix applications are written in the C language. C has now become a widely used professional language for various reasons.

• Easy to learn

• Structured language

• It produces efficient programs.

• It can handle low-level activities.

• It can be compiled on a variety of computers.

Facts about C

• C was invented to write an operating system called UNIX.

• C is a successor of B language which was introduced around 1970

• The language was formalized in 1988 by the American National Standard Institute (ANSI).

• By 1973 UNIX OS almost totally written in C.

• Today C is the most widely used System Programming Language.

• Most of the state of the art software have been implemented using C

Why to use C ?
C was initially used for system development work, in particular the programs that make-up the operating system. C was adopted as a system development language because it produces code that runs nearly as fast as code written in assembly language. Some examples of the use of C might be:

• Operating Systems

• Language Compilers

• Assemblers

• Text Editors

• Print Spoolers

• Network Drivers

• Modern Programs

• Data Bases

• Language Interpreters

• Utilities

C Program File
All the C programs are written into text files with extension ".c" for example hello.c. You can use "vi" editor to write your C program into a file.

This tutorial assumes that you know how to edit a text file and how to write programming instructions inside a program file.

C Compilers
When you write any program in C language then to run that program you need to compile that program using a C Compiler which converts your program into a language understandable by a computer. This is called machine language (ie. binary format). So before proceeding, make sure you have C Compiler available at your computer. It comes along with all flavors of Unix and Linux.

If you are working over Unix or Linux then you can type gcc -v or cc -v and check the result. You can ask your system administrator or you can take help from anyone to identify an available C Compiler at your computer.

If you don't have C compiler installed at your computer then you can use below given link to download a GNU C Compiler and use it.

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