Programming in C, Third Edition

Chapter 3. Compiling and Running Your First Program

IN THIS CHAPTER, YOU ARE INTRODUCED to the C language so that you can see what programming in C is all about. What better way to gain an appreciation for this language than by taking a look at an actual program written in C?

To begin with, you’ll choose a rather simple example—a program that displays the phrase “Programming is fun.” in your window. Program 3.1 shows a C program to accomplish this task.

Example 3.1. Writing Your First C Program

#include <stdio.h>

int main (void)
{
     printf ("Programming is fun.\n");

     return 0;
}

In the C programming language, lowercase and uppercase letters are distinct. In addition, in C, it does not matter where on the line you begin typing—you can begin typing your ...