\magnification=\magstep1

\def\showiff#1#2#3#4{
\hrule width#2\hbox to #2{\vrule height#3\vbox to #3{\vss%
\special{ifffile=#1 hsize=#2 vsize=#3 #4}%
}\hss\vrule height#3}\hrule width#2}

%\input epsf

%\hrule
%\epsfysize=5cm
%\epsffile{pic2e.eps}
%\hrule
%\par

\noindent a $10\times3$ truecm picture\vskip 1mm
\showiff{Graustufen}{10truecm}{3truecm}{mode=fs}
%\showiff{Graustufen}{10truecm}{3truecm}{mode=fs hoffset=1truecm voffset=0.5truecm}
\vskip 1cm
\noindent a $10\times3$ cm picture\vskip 1mm
%\showiff{Graustufen}{10cm}{3cm}{mode=fs hoffset=1cm voffset=0.5cm}
\showiff{Graustufen}{10cm}{3cm}{mode=fs}

\bye
