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Chapter 1 - A Tutorial Introduction & Getting Started with C

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Chapter 1 - A Tutorial Introduction & Getting Started with C

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Jason Quist
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Table of contents

In this first installment of "The Practical C Programmer" series, we will explore the basics of C programming, starting with a tutorial introduction to the language. We will then walk you through setting up your C programming environment on Windows, Mac, and Linux operating systems, ensuring that you have everything you need to get started.

C programming is known for its efficiency, portability, and flexibility, making it a popular choice for developing a wide range of software, from operating systems to embedded systems. Learning C programming provides a strong foundation for understanding other programming languages and can significantly improve your problem-solving skills as a developer.

Getting Started with C: Setting Up Your Environment

Before you can begin writing and running C programs, you need to set up your programming environment. Here's how to do it on Windows, Mac, and Linux.

Windows:

  1. Download and install a C compiler like GCC (GNU Compiler Collection). One way to do this is by using the MinGW-w64 project, which provides a development environment for Windows. Follow these steps:

    a) Visit the MinGW-w64 website: mingw-w64.org

    b) Click "Downloads" and choose a suitable installer based on your system.

    c) Install MinGW-w64, following the installation prompts.

    d) Add the MinGW-w64 binary folder (usually "C:\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin") to your system's PATH environment variable

  2. Install a code editor, such as Visual Studio Code, Notepad++, or Sublime Text, to write your C programs.

  3. Open your code editor and create a new file with a ".c" extension (e.g., hello_world.c).

Mac:

  1. Install Xcode Command Line Tools, which includes the GCC compiler, by opening the Terminal and entering the following command:
xcode-select --install

  1. Install a code editor, such as Visual Studio Code, Sublime Text, or Atom, to write your C programs.

  2. Open your code editor and create a new file with a ".c" extension (e.g., hello_world.c).

     touch hello_world

Linux:

  1. Most Linux distributions come with the GCC compiler pre-installed. To ensure it's installed, open the Terminal and enter the following command:

     sudo apt-get install build-essential
    1. Install a code editor, such as Visual Studio Code, Sublime Text, or Atom, to write your C programs.

  2. Open your code editor and create a new file with a ".c" extension (e.g., hello_world.c).

Now that your environment is set up, you can start writing and running C programs. In the next installment, we will dive into the fundamentals of C programming, including variables, data types, and arithmetic expressions. Stay tuned as we continue our journey to become practical C programmers.

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