Write starter function

src/main/c/VierGewinnt.c

@@ -56,3 +56,44 @@ void showColumnFullMessage();
 
 //Funktionsprototyp für showWinMessage
 void showWinMessage(int player);
+
+
+//Write starter function
+int main_function() {
+    char board[ROWS][COLS];
+    int currentPlayer = 1; // Spieler 1 beginnt
+
+    initializeBoard(board);
+    printBoard(board);
+
+    int column;
+    while (1) {
+        printf(YELLOW"Spieler %d, wähle eine Spalte (1-7): "RESET_COLOR, currentPlayer);
+
+        scanf("%d", &column);
+        if (column < 1 || column > 7) {
+            showInvalidInputMessage();
+            continue;
+        }
+
+        column--;
+
+        if (isColumnFull(board, column)) {
+            showColumnFullMessage();
+            continue;
+        }
+
+        if (dropPiece(board, column, (currentPlayer == 1) ? 'X' : 'O')) {
+            printBoard(board);
+            if (checkWin(board, (currentPlayer == 1) ? 'X' : 'O')) {
+                showWinMessage(currentPlayer);
+                break;
+            }
+
+            currentPlayer = (currentPlayer == 1) ? 2 : 1;
+        }
+    }
+
+    return 0;
+}
+