diff --git a/src/main.tex b/src/main.tex
index 904d60f..a9cae89 100644
--- a/src/main.tex
+++ b/src/main.tex
@@ -48,7 +48,7 @@
     stringstyle=\color{red}\ttfamily,
     commentstyle=\color{OliveGreen!85}\ttfamily,
     numberstyle=\tiny\color{codegray},
-    basicstyle=\small\selectfont\ttfamily,
+    basicstyle=\footnotesize\selectfont\ttfamily,
     % keyword highlighting
     classoffset=1, % starting new class
     otherkeywords={>,<,.,;,-,+,!,=,~,:,[,],NULL,&},
@@ -85,6 +85,7 @@
 %	 SECTION 1
 %----------------------------------------------------------------------------------------
 
+
     \section{Strukturen} % Section title slide, unnumbered
 
 %------------------------------------------------
@@ -95,17 +96,38 @@
 
 %------------------------------------------------
 
-    \begin{frame}[fragile]{Strukturen in C}
-        Syntax:
-\begin{lstlisting}
-struct adresse {
-	char name[50];
+    \begin{frame}[fragile, allowframebreaks]{C Syntax}
+        Definition:
+        \begin{lstlisting}
+struct Adresse {
+    char name[50];
 	char strasse[100];
 	short hausnummer;
 	long plz;
 	char stadt[50];
 };
-\end{lstlisting}
+        \end{lstlisting}
+        Anwendung:
+        \begin{lstlisting}
+// Variable der Struktur erstellen
+struct Adresse adresseKurt;
+// Zugriff auf die Elemente
+strcpy(adresseKurt.name, "Kurt Kanns");
+adresseKurt.hausnummer = 23;
+adresseKurt.plz = 45678;
+        \end{lstlisting}
+
+        \framebreak
+
+        Typdefinition mit typedef:
+        \begin{lstlisting}
+typedef struct Adresse {
+    char name[50];
+	short hausnummer;
+} ADR;
+
+ADR a1,a2;
+        \end{lstlisting}
     \end{frame}
 
     \begin{frame}{Sonstiges}
@@ -137,121 +159,19 @@ struct adresse {
 %	 SECTION 2
 %----------------------------------------------------------------------------------------
 
+
     \section{Pointer} % Section title slide, unnumbered
 
 %------------------------------------------------
 
     \begin{frame}{Grundlagen}
-        This is a simple slide.
+        TODO
     \end{frame}
 
 %------------------------------------------------
 
-    \begin{frame}{Typesetting and Math}
-        The packages \texttt{inputenc} and \texttt{FiraSans}\footnote{\url{https://fonts.google.com/specimen/Fira+Sans}}\textsuperscript{,}\footnote{\url{http://mozilla.github.io/Fira/}} are used to properly set the main fonts.
-        \vfill
-        This theme provides styling commands to typeset \emph{emphasized}, \alert{alerted}, \textbf{bold}, \textcolor{example}{example text}, \dots
-        \vfill
-        \texttt{FiraSans} also provides support for mathematical symbols:
-        \begin{equation*}
-            e^{i\pi} + 1 = 0.
-        \end{equation*}
-    \end{frame}
-
-%----------------------------------------------------------------------------------------
-%	 SECTION 2
-%----------------------------------------------------------------------------------------
-
-    \section{Section 2}
-
-%------------------------------------------------
-
-    \begin{frame}{Blocks}
-        These blocks are part of 1 slide, to be displayed consecutively.
-        \begin{block}{Block}
-            Text.
-        \end{block}
-        \pause % Automatically creates a new "page" split between the above and above + below
-        \begin{alertblock}{Alert block}
-            Alert \alert{text}.
-        \end{alertblock}
-        \pause % Automatically creates a new "page" split between the above and above + below
-        \begin{exampleblock}{Example block}
-            Example \textcolor{example}{text}.
-        \end{exampleblock}
-    \end{frame}
-
-%------------------------------------------------
-
-    \begin{frame}{Columns}
-        \begin{columns}
-            \column{0.5\textwidth}
-            This text appears in the left column and wraps neatly with a margin between columns.
-
-            \column{0.5\textwidth}
-            \includegraphics[width=\linewidth]{Images/placeholder.jpg}
-        \end{columns}
-    \end{frame}
-
-%------------------------------------------------
-
-    \begin{frame}{Lists}
-        \begin{columns}[T, onlytextwidth] % T for top align, onlytextwidth to suppress the margin between columns
-            \column{0.33\textwidth}
-            Items:
-            \begin{itemize}
-                \item Item 1
-                \begin{itemize}
-                    \item Subitem 1.1
-                    \item Subitem 1.2
-                \end{itemize}
-                \item Item 2
-                \item Item 3
-            \end{itemize}
-
-            \column{0.33\textwidth}
-            Enumerations:
-            \begin{enumerate}
-                \item First
-                \item Second
-                \begin{enumerate}
-                    \item Sub-first
-                    \item Sub-second
-                \end{enumerate}
-                \item Third
-            \end{enumerate}
-
-            \column{0.33\textwidth}
-            Descriptions:
-            \begin{description}
-                \item[First] Yes.
-                \item[Second] No.
-            \end{description}
-        \end{columns}
-    \end{frame}
-
-%------------------------------------------------
-
-    \begin{frame}{Table}
-        \begin{table}
-            \centering % Centre the table on the slide
-            \begin{tabular}{l c}
-                \toprule
-                Discipline & Avg. Salary \\
-                \toprule
-                \textbf{Engineering} & \textbf{\$66,521} \\
-                Computer Sciences & \$60,005\\
-                Mathematics and Sciences & \$61,867\\
-                Business & \$56,720\\
-                Humanities \& Social Sciences & \$56,669\\
-                Agriculture and Natural Resources & \$53,565\\
-                Communications & \$51,448\\
-                \midrule
-                \textbf{Average for All Disciplines} & \textbf{\$58,114}\\
-                \bottomrule
-            \end{tabular}
-            \caption{Table caption}
-        \end{table}
+    \begin{frame}{Pointer in C}
+        TODO
     \end{frame}
 
 %------------------------------------------------
diff --git a/src/structallg.tex b/src/structallg.tex
index d351ad7..38ebf84 100644
--- a/src/structallg.tex
+++ b/src/structallg.tex
@@ -5,8 +5,9 @@
         \item Pointer
         \item Arrays
     \end{itemize}
-    \item Befehl \textit{struct}
-    \item verbessert übersicht
+    \item Keyword \textit{struct}
+    \pause
+    \item verbessert Übersicht
     \item Schritt richtung Objektorientierung
     \item ideal für Listen und Baumstruktur
 \end{itemize}
\ No newline at end of file