#include <stdio.h>
#define PI 3.14159265

/* Globale Variablen */
int i;
char c[] = ...;

/* Funktionen */
int f1(int a, int b) { ... };
void if2() {...};

/*Hauptprogramm */
int main() 
{
	char* te = "Hello";
	printf("Hello, World!");
	return 0;
}