Introduction to C programming/Hello World
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Hello World[edit | edit source]
The first application that almost every programmer begins with is the "Hello World" application. This is a very simple application that only prints a line of text to the terminal window. This lesson will demonstrate the basic principles and techniques that are used when designing more in-depth applications.
The process is simple: open your text editor, (emacs, Xcode, etc...) and type in the following text:
#include <stdio.h>
int main ()
{
printf("Hello World!\n");
return(0);
}
Next, save your text file as "hello.c" or something similar. It is very important that the file has the extension ".c" instead of anything like ".doc" or ".txt".
--Mashedmeat 04:37, 11 March 2009 (UTC)