refactoring: separation of the game loop into functions

Author:    Ariana Ginju <ariana.ginju@informatik.hs-fulda.de>

src/main/c/GameTic_Tac_Toe/game.c

@@ -79,7 +79,7 @@ void makeMove() {
     }
 }
 
-int main() {
+void playGame() {
     while (1) {
         displayBoard();
         makeMove();
@@ -95,11 +95,10 @@ int main() {
             displayBoard();
             printf("Unentschieden!\n");
             break;
-        }
-
-         // Wechsle den Spieler
-        currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
+        }        
     }
-
+}
+int main(){
+    playGame();
     return 0;
 }