\floatstyle{ruled}
\newfloat{Function}{htbp}{lop}[chapter]
\newfloat{Listing}{htbp}{lop}[chapter]
\newfloat{Header}{htbp}{lop}[section]


\setlength{\textheight}{20cm}
\setlength{\textwidth}{16cm}

\newcommand{\circumflex}{{\^{}}\xspace}
\newcommand{\T}[1] {{\bf \tt #1}}
\newcommand{\U}[1] {{\textup #1}}
\newcommand{\proto}[1]{
\begin{quote} 
\begin{verbatim} 
#1 
\end{verbatim} 
\end{quote}}


\newcommand{\cell}[1]{\fbox{\rule[-1mm]{0mm}{4mm}#1}}

\newsavebox{\fminibox}
\newlength{\fminilength}
\newenvironment{warning}[1][\linewidth]
{\setlength{\fminilength}{#1}%
\addtolength{\fminilength}{-5\fboxsep}%
\addtolength{\fminilength}{-5\fboxrule}%
        \begin{lrbox}{\fminibox}\begin{minipage}{\fminilength}}
{\end{minipage}\end{lrbox}
\vspace*{1ex}\marginnote{\large$\spadesuit$}
\noindent\fbox{\usebox{\fminibox}}\vspace{1ex}}

\newcommand{\marginnote}[1]
        {\mbox{}\marginpar{\raggedleft\hspace{0pt}#1}}



\newcommand{\entrylabel}[1]{\mbox{\textsf{#1:}}\hfil}
\newenvironment{entry}
        { \begin{list}{}%
                {\renewcommand{\makelabel}{\entrylabel}%
                \setlength{\labelwidth}{35pt}%
                \setlength{\leftmargin}{\labelwidth}%
                \addtolength{\leftmargin}{\labelsep}%
                }%
        }%
        { \end{list} }


\newenvironment{Ventry}[1]
        { \begin{list}{}
                {\renewcommand{\makelabel}{\entrylabel}
                \settowidth{\labelwidth}{\textsf{#1:}}
                \setlength{\leftmargin}{\labelwidth}
                \addtolength{\leftmargin}{\labelsep}
                }
        }
        { \end{list} }

\newenvironment{Ventry2}[1]
        { \footnotesize \begin{list}{}
                {\renewcommand{\makelabel}{\entrylabel}
                \settowidth{\labelwidth}{\textsf{#1:}}
                \setlength{\itemsep}{0pt}
                \setlength{\leftmargin}{\labelwidth}
                \addtolength{\leftmargin}{\labelsep}
                }
        }
        { \end{list} \normalsize }


\newcommand{\Lentry}[1]{\mbox{\textsf{#1}}\hfil}
\newenvironment{Ventry3}[1]%
        { \footnotesize \begin{list}{}%
                {\renewcommand{\makelabel}{\Lentry}%
                \settowidth{\labelwidth}{\textsf{#1}}%
                \setlength{\itemsep}{0pt}%
                \setlength{\leftmargin}{\labelwidth}%
                \addtolength{\leftmargin}{\labelsep}%
                }%
        }%
        { \end{list} \normalsize}



\newcommand{\directive}[1] {\T{\##1}}
\newcommand{\binExp}[3] {
	\begin{production}
	\bp {%
	#1\U{:}\\
	\>      #2  \U{[} \T{#3}  #2 \U{]}*  
	}%
	\end{production}
}

\newcommand{\leftshift}{$<<$\xspace}
\newcommand{\rightshift}{$>>$\xspace}

\newcommand{\ChpPage}[1]{Chapter~\ref{chp:#1}, pg:~\pageref{chp:#1}\xspace}
\newcommand{\SecPage}[1]{\S~\ref{sec:#1}, pg:~\pageref{sec:#1}\xspace}
\newcommand{\Sec}[1]{\S~\ref{sec:#1}\xspace}
\newcommand{\Page}[1]{pg:~\pageref{#1}\xspace}



\newenvironment{production} 
{
\small
\begin{quote}
}
{
\end{quote}
\normalsize
}


%\newcommand{\bp}[1] {
%\parbox[t]{5cm}{\it
%\begin{tabbing}
%aaa\= \kill
%#1 
%\end{tabbing}}}

\newcommand{\bpline}[1] {
\begin{minipage}[t]{7cm}
\raisebox{-1ex}{\rule{7cm}{0.5mm}}
{\it 
\begin{tabbing}
aaa\= \kill
#1 
\end{tabbing}
}
\end{minipage} }

\newcommand{\bp}[1] {
\begin{minipage}[t]{7cm}
{\it 
\begin{tabbing}
aaa\=aaaa\= \kill
#1 
\end{tabbing}
}
\end{minipage}}




\newcommand{\PAIR}[2] 
{
\bpline{#1} \hspace{1cm}
\bpline{#2}\\
}

%\newcommand{\PAIR}[2] 
%{
%\begin{tabular}{ll}
%\bp{#1} &
%\bp{#2}
%\end{tabular}\\
%}






\setlength{\unitlength}{0.012500in}%
%
\begingroup\makeatletter\ifx\SetFigFont\undefined
% extract first six characters in \fmtname
\def\x#1#2#3#4#5#6#7\relax{\def\x{#1#2#3#4#5#6}}%
\expandafter\x\fmtname xxxxxx\relax \def\y{splain}%
\ifx\x\y   % LaTeX or SliTeX?
\gdef\SetFigFont#1#2#3{%
  \ifnum #1<17\tiny\else \ifnum #1<20\small\else
  \ifnum #1<24\normalsize\else \ifnum #1<29\large\else
  \ifnum #1<34\Large\else \ifnum #1<41\LARGE\else
     \huge\fi\fi\fi\fi\fi\fi
  \csname #3\endcsname}%
\else
\gdef\SetFigFont#1#2#3{\begingroup
  \count@#1\relax \ifnum 25<\count@\count@25\fi
  \def\x{\endgroup\@setsize\SetFigFont{#2pt}}%
  \expandafter\x
    \csname \romannumeral\the\count@ pt\expandafter\endcsname
    \csname @\romannumeral\the\count@ pt\endcsname
  \csname #3\endcsname}%
\fi
\fi\endgroup



%\InputList{label}{Caption}{filename}
\newcommand{\InputList}[3]% 
{

\begin{Listing}[htb]
\scriptsize
\caption{\label{#1} #2}
\listinginput[1]{1}{#3}
\normalsize
\end{Listing}
}









