Added 'ethercat cstruct' command to output PDO information in C language.

documentation/Makefile

@@ -13,6 +13,7 @@ LATEX_OPTIONS := -file-line-error-style
 COMMANDS := \
 	alias \
 	config \
+	cstruct \
 	data \
 	debug \
 	domains \

documentation/ethercat_doc.tex

@@ -2088,6 +2088,13 @@ sec.~\ref{sec:autonode} for how to install and configure it.
 
 %------------------------------------------------------------------------------
 
+\subsection{Output PDO information in C Language}
+\label{sec:ethercat-cstruct}
+
+\lstinputlisting[basicstyle=\ttfamily\footnotesize]{external/ethercat_cstruct}
+
+%------------------------------------------------------------------------------
+
 \subsection{Displaying Process Data}
 
 \lstinputlisting[basicstyle=\ttfamily\footnotesize]{external/ethercat_data}