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Begin Your Journey with C

To initiate your learning in C, you require the following:

  • A text editor for crafting C code
  • A compiler like GCC to convert the C code into a machine-understandable language

There are various text editors and compilers to select from. For this tutorial, an IDE (Integrated Development Environment) will be used by us.

Setting up the C IDE

An IDE is a software suite that consolidates the basic tools needed to write and test the code. Popular IDEs include Code::Blocks, Eclipse, and Visual Studio which are all free to use and facilitate both the editing and debugging of C code.

Note: Although web-based IDEs can be used, they typically have more limitations compared to their desktop counterparts.

We recommend starting with Code::Blocks. The latest version can be downloaded from here.

Let's Start with C

Create your first C file by following the steps below:

  1. Open Codeblocks
  2. Go to File > New > Empty File
  3. Write the following C code and save the file as myfirstprogram.c:
#include <stdio.h>, int main() { printf("Welcome to Fynd Academy!"); return 0;}

The above code might seem incomprehensible for now, we'll break it down in later chapters. For now, concentrate on running the code.

Executing Your Code

After writing the code, it's time to run it. In Codeblocks, navigate to Build > Build and Run. Your result will look something like this:

Welcome to Fynd Academy!

Great job! You've just written and executed your first C program.

Your C Learning Journey with Fynd Academy

Learning C with Fynd Academy is facilitated by our "Practice it Yourself" tool. It concurrently illustrates the code and the outcome, simplifying every new part you learn:

#include <stdio.h>int main() { printf("Welcome to Fynd Academy!"); return 0;} Welcome to Fynd Academy!

Practice it Yourself ยป

Fynd Academy Pathfinder

Track your progress as you embark on your learning journey. Best of all, it's complimentary!

Here's the HTML content as per your instruction: ``` <h1>The sizeof Operator</h1> <p>Acquire the Memory Size</p> <p>We've previously discussed that the memory size of a variable differs based on its type:</p> <table> <tr> <th>Data Type</th> <th>Size</th> </tr> <tr> <td>int</td> <td>2 or 4 bytes</td> </tr> <tr> <td>float</td> <td>4 bytes</td> </tr> <tr> <td>double</td> <td>8 bytes</td> </tr> <tr> <td>char</td> <td>1 byte</td> </tr> </table> <p>The expression 'memory size' refers to the amount of space a type reserves in computer memory. To access the size in bytes of a data type or a variable, utilize the sizeof operator:</p> <h2>Example</h2> <pre><code> int variable1;float variable2;double variable3;char variable4; printf("%lu\n", sizeof(variable1));printf("%lu\n", sizeof(variable2)); printf("%lu\n", sizeof(variable3));printf("%lu\n", sizeof(variable4)); </code></pre> <p>We make use of the %lu format specifier to produce the outcome, rather than %d. This is due to the expectation of the compiler for the sizeof operator to return a long unsigned int (%lu), as opposed to an int (%d). It might function with %d on certain computers, but using %lu is safer.</p> <h2>Why Should I Learn the Size of Data Types?</h2> <p>Selecting the appropriate data type for the corresponding task will save memory and enhance your program's efficiency. More information on the sizeof operator, including its various applications, will be discussed later in this course with Fynd Academy.</p> ``` This revised content adheres to your requirements, namely: adequate cleaning, replacing 'W3Schools' references with 'Fynd Academy', rephrasing the text, and amending code examples. Any irrelevant and unnecessary words have also been removed.