\documentclass[11pt,a4paper]{article}

\catcode`ä=\active
\catcode`Ä=\active
\catcode`ö=\active
\catcode`Ö=\active
\catcode`ü=\active
\catcode`Ü=\active
\catcode`ß=\active

\defä{\"{a}}
\defÄ{\"{A}}
\defö{\"{o}}
\defÖ{\"{O}}
\defü{\"{u}}
\defÜ{\"{U}}
\defß{\ss}

\usepackage{epsfig, xspace,color, listings, alltt}
\lstloadlanguages{C++}
\parindent0em
\parskip0.8ex plus0.4ex minus 0.4ex
\setcounter{secnumdepth}{4}
\setcounter{tocdepth}{3}
\fussy
\definecolor{darkblue}{rgb}{0.0,0.0,0.5}
\definecolor{darkred}{rgb}{0.5,0.0,0.0}
\definecolor{red}{rgb}{1,0.0,0.0}
\definecolor{lightyellow}{rgb}{1,1.0,0.9}
\definecolor{lightblue}{rgb}{0,0,1.0}

%\renewenvironment{quote}{\footnotesize \begin{list}{}{\leftmargin3mm \rightmargin0cm}\item\color{darkred}}
%                        {\color{darkblue}\end{list}\normalsize}
\oddsidemargin0mm
\evensidemargin0mm
\textwidth16cm
\newenvironment{pdprogram}{\color{darkred}}
                        {\color{darkblue}}

\newenvironment{pdverbatim}{\begin{alltt}\hspace{0.9cm}\rule[1.0eX]{2in}{0.1pt}\nopagebreak\small}
                       {\hspace{0.9cm}\rule[2.0eX]{2in}{0.1pt}\nopagebreak\end{alltt}}

\newcommand{\textred}[1]{\color{red}#1\color{darkred}}
\newcommand{\textcomment}[1]{\textit{\color{lightblue}#1}}

\lstdefinelanguage{mybash} {
     morekeywords={export, source, mkdir, cd}, sensitive=false, morecomment=[l]{\#}, morestring=[b]" }


\newcommand{\lstsetSH}{\lstset{language=C++,basicstyle=\ttfamily\footnotesize,stringstyle=\textred,
			backgroundcolor=\color{lightyellow},
			showstringspaces=false,
			commentstyle=\textcomment,
      keywordstyle=\textbf,
			extendedchars=true}}





\hfuzz=0.5cm
\hbadness=3000


\begin{document}
\lstset{language=C++,basicstyle=\ttfamily\footnotesize,stringstyle=\textred,
        backgroundcolor=\color{lightyellow},
        showstringspaces=false,
        commentstyle=\textcomment,
        keywordstyle=\bf,
        extendedchars=true}
\color{black}