diff --git a/Workbook/Workbook.org b/Workbook/Workbook.org
index 4399516..ae10f7f 100644
--- a/Workbook/Workbook.org
+++ b/Workbook/Workbook.org
@@ -309,3 +309,17 @@ int main() {
     return 0;
 }
 #+END_SRC
+
+*** 2. Vorbereitungsaufgabe
+#+BEGIN_SRC C
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <ctype.h>
+
+#define ERRORRETURN 10787253
+#define ARRSIZE 4096
+#define EXITVAL 15326
+
+#+END_SRC