\input splain
\def\@setsize#1#2#3#4{\@nomath#1%
                        \size{#4}{#2}\selectfont}
\def\@currfont{\font@name}
\def\rmdefault{cmss}
\def\rminvis{icmss}
\def\ttinvis{icmtt}
\def\lasyinvis{ilasy}
\def\syinvis{icmsy}
\def\sldefault{it}
\def\invisdefault{icmss}
% actually force the \rmdefault to take place!
\rm
%
%   fonts equal to the visible or the invisible versions accordingly.
% \invisible ::= BEGIN type warning if math mode
%
\def\invisible{\@mmodetest\@visiblefalse
\def\rmdefault{\rminvis}
\def\ttdefault{\ttinvis}
\@currsize\@currfont\ignorespaces}
\makeatletter
%\input epsfig.sty
\makeatother
\dump