\section{Data Structures}
Here are the data structures with brief descriptions:\begin{CompactList}
\item\contentsline{section}{\hyperlink{struct__MSG__FacDefinition}{\_\-MSG\_\-Fac\-Definition} (Internal representation of a facility )}{\pageref{struct__MSG__FacDefinition}}{}
\item\contentsline{section}{\hyperlink{struct__MSG__MsgDefinition}{\_\-MSG\_\-Msg\-Definition} (Internal representation of a message )}{\pageref{struct__MSG__MsgDefinition}}{}
\item\contentsline{section}{\hyperlink{struct__MSG__Qualifier}{\_\-MSG\_\-Qualifier} (Standard structure for describing a command qualifier )}{\pageref{struct__MSG__Qualifier}}{}
\end{CompactList}