Write a Hello World Program in C

Prologue

This article demonstrates a Hello World program in C.

Example

/* Include the standard I/O library. */
#include <stdio.h>

/* Main function of C programs. */
int main(void)
{
    /* Print out some text to stdandard out. */
    printf("Hello World\n");

    /* Return a program status. */
    return 0;
}

Compilation

Here is a pseudo command to compile and run C code:

$ gcc -Wall -Wextra -o program source.c
$ ./program
Hello World

README

Hello World programs aim to try development environments for beginners. This post shows a C version of a Hello World program.