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C Compiler

C compiler & its installation processes.

C Language

  1. Expand Menus ↓

Fundamentals

  1. 1 Introduction
  2. 2 Compiler & Installation
  3. 3 Program Structure
  4. 4 Data Types
  5. 5 Reserved Keywords
  6. 6 Basic Operators
  7. 7 I/O Functions

Control Statement

  1. 8 Statements
  2. 9 if-else Statement
  3. 10 Nested if-else Statement
  4. 11 switch Statement

Loop Statements

  1. 12 Loops
  2. 13 for Loop
  3. 14 Nested for Loop
  4. 15 while Loop
  5. 16 do-while Loop
  6. 17 Jump Statement

Arrays

  1. 18 Array Declaratiosn
  2. 19 Array Dimensions

String

  1. 20 Strings
  2. 21 String Functions

Functions

  1. 22 Function Declaration
  2. 23 Function Calling & Arguments
  3. 24 Local or Global Function
  4. 25 Storage Classes

Structure and Unions

  1. 26 C Structure & Union
  2. 27 Structure Declaration
  3. 28 Union Declaration
  4. 29 C enum
  5. 30 C typedef
  6. 31 sizeof() Operator

Pointers

  1. 32 Pointer Declaration
  2. 33 Pointer Arguments
  3. 34 Memory Allocation
  4. 35 Linked List

Files

  1. 36 File Processing
  2. 37 Handling File Accessing
  3. 38 Errors Handling

QnA

  1. 39 Interview QnA

* Before learning the C language compiler installation process, you must clear a basic concept about assembler, compiler & interpreter.

An assembler, compiler, and interpreter are all tools used in the field of computer programming and software development to facilitate the process of converting high-level programming code into machine code or executing it. Each of these tools serves a different purpose and operates in a distinct way.

Installation of C Compiler

To install a C compiler on your computer, you will need to choose a specific C compiler based on your operating system. The two most commonly used C compilers are GCC (GNU Compiler Collection) and Code::Blocks. Here are instructions for installing these compilers on different operating systems:

1. Installing GCC:

On Linux:

Most Linux distributions come with GCC pre-installed. To check if it's installed, open a terminal and run the following command:

bash Copy Code 
gcc --version

If GCC is not installed, you can install it using your package manager. For example, on Ubuntu or Debian-based systems, you can use:

bash Copy Code 
sudo apt-get update
sudo apt-get install gcc

On macOS:

macOS doesn't come with GCC pre-installed, but you can install it using the Homebrew package manager. First, install Homebrew if you haven't already by following the instructions at https://brew.sh/. Then, run the following command to install GCC:

bash Copy Code 
brew install gcc

On Windows:

You can install GCC on Windows using the Windows Subsystem for Linux (WSL). First, install WSL following the Microsoft documentation (https://docs.microsoft.com/en-us/windows/wsl/install). After setting up WSL, you can use the Linux package manager to install GCC, just like you would on a Linux system.

Still, You can also try this one-line command (In administrator mode) for a quick installation process:

PowerShell Copy Code 
wsl --install -d ubuntu

2. Code::Blocks:

Code::Blocks is an open-source & cross-platform integrated development environment (IDE) used for programming in various programming languages. It provides a user-friendly interface for writing, compiling, and debugging code. Code::Blocks is particularly popular among C and C++ developers, but it supports multiple programming languages and can be extended with plugins to support additional languages and functionality.

Compile the C File

To compile 'hello.c' using GCC, run the following command:

bash Copy Code 
gcc hello.c -o hello

That's it! You've successfully compiled and run a C program from the command line. Remember to replace 'hello.c' and hello with your C source file's name and the desired output executable name.

Representations of Program

Source program, object program, and executable program are three stages or representations of a computer program during the software development process. Each serves a specific purpose and has distinct characteristics. Here's an explanation of the differences between them:

Source Program:

The set of instruction written in any one of the programming languages is called source program.

Object Program:

The translated or binary form of a source program is called an object program.

Executable Program:

A program generated from object program by linking the input/output devices in order to execute th instructions given in a source program is called an executable program.

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