usepackage{listings}
definecolor{identifiercolor}{rgb}{.4,.6,.56}
definecolor{stringcolor}{rgb}{170,55,241}
definecolor{inactivecolor}{rgb}{28,172,0}
lstset{
    basicstyle={footnotesizedeffvm@Scale{.85}fontfamily{fvm}selectfont},
    breaklines=true,
    frame=single,%
%   escapeinside={%*}{*)},
    keywordstyle={bfseriescolor{blue}},
    stringstyle={bfseriescolor{stringcolor}},
    identifierstyle={bfseriescolor{black}},
    commentstyle=color{identifiercolor},
    showstringspaces=false}
renewcommand{lstlistingname}{Listing}

begin{lstlisting[extendedchars=true,caption="trackingexample.m",language=Matlab]
function result_txt_vis()
clear all
t = importdata('result.txt'); Ani = 1;
switch Ani
    case 1
end{lstlisting}

begin{lstlisting}[extendedchars=true,caption="Ex1.c",language=C]
#ifndef DEBUG
    clock_t end = clock();
    double time_spent = (double) (end - begin) / CLOCKS_PER_SEC;
    printf("running-time: %en", time_spent); //display running-time
#endif
return 0;
}
end{lstlisting}