// Needed to use printf (and some other functions)
#include <stdio.h>

// main function is where your program starts
int main()
{
	// prints "Hello world!" to the screen
	printf("Hello world!\n");

	// functions with a return type should return a value
	// For main(), 0 means no errors or success!
	return 0;
}

// compile with gcc at the command line
// a.out (a.exe on windows) is the default executable name
// type ./a.out to run