\section{Data Structures}
Here are the data structures with brief descriptions:\begin{CompactList}
\item\contentsline{section}{\hyperlink{struct__QLSW__ApidBuffer}{\_\-QLSW\_\-Apid\-Buffer} (Define a structure to provide buffering and a buffer descriptor )}{\pageref{struct__QLSW__ApidBuffer}}{}
\item\contentsline{section}{\hyperlink{struct__QLSW__Command}{\_\-QLSW\_\-Command} (Structure to control the printing process )}{\pageref{struct__QLSW__Command}}{}
\end{CompactList}