C Foundation

What is C? C Compiler Installation C Extensions C Compiler C Interpreter C Program Structure

C Basics

C Keywords C Data Types C Identifiers C Variables C Constant C Escape Sequences C Constant and Volatile C Typecast


What is Operator C Comma Operator C Arithmetic Operators C Relational Operators C Logical Operators C Bitwise Operators C Conditional Operators C : : Operator C Operator Priority

Basic IO's

Basic IO's C Formatted Functions C Unformatted Functions C Common Functions

Control Statements

What is Control Statement C if Statement C if else Statement C Nested if Statement C Else if Statement C Break Statement C Continue Statement C Switch Statement C Goto Statement


What is Control Loop C for Loop C Nested for Loop C while Loop C Nested while Loop C do while Loop C Nested do while loop


What is Function C User Defined Functions C Recursion C Passing Parameters


Scope C Local Scope C Global Scope

Storage Classes

What is Storage Class C Auto C Extern C Static C Register


What is Array C One Dimensional Array C Two Dimensional Array C Multi Dimensional Array C Arrays Of Strings


What is String C String Functions


What is Pointer C Pointers Arithmetic C Pointer to Pointer C Pointers and Arrays C Pointers and Strings C Pointer to Functions Void Pointers Null Pointers C Null and Void Pointer


What is Structure C Struct within Struct C Array within Structure C Pointer to Structure C Structure and Function C Enum C Bitfield Structure C Type def


What is Union


What is File C read a file C write a file C File Handling C Error Handling C Low Level Disk I/O C Other file functions

Memory Allocation

What is Memory Allocation C Malloc() C Calloc() C Free() C Realloc() C Coreleft()

C Reference

All ASCII Code Basic C Questions

C Interview

C Interview Sets All Star Patterns All Number Patterns All Alphabet Patterns All Series Patterns
The ones who are crazy enough to think they can change the world are the ones who do.
- Steve Jobs

How to Install C Compiler?

Installing C Compiler in Windows

Let us install IDE in your windows machine in a single click.


IDE refers to Integrated Development Environment is a software that act as a programmers simulator. Installing IDE to run your C program is the most easiest way.

DEVC++ Click Here to Download

Installing C Compiler in Mac OS X

Let us install Xcode in your Macintosh in a single click.


Click Here to Download
  • After installing Xcode setup, you will be able to use GNU Compiler for C/C++.
  • Now verification. Type the following commands in your terminal.
$ gcc --version
gcc (GCC) 4.4.0
Copyright (C) 2009 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO

$ whereis gcc

$ whereis make

Installing C Compiler in Linux/Ubuntu


eclipse Click Here to Download


Step 1: Open Terminal or press CTRL + ALT + T.

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Step 2: Type the following commands

sudo apt-get install build-essential

Step 3: After entering the above command, your terminal looks alike the following image.

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Step 4: Now, C compiler is installed in your linux system. Open your text editor(gedit)

Step 5: Type any of your favourite C program and create a new folder (name : files) in your desktop and save it there for convenience

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Step 6: Open the terminal and set a path to your c programing file

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Step 7: Now, type gcc -o hello_output_file file_name.c

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Step 8: Now your .exe file for your c program is generated in the name hello_output_file

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Step 9: Type ./hello_output_file to see your output.

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