\documentclass[letterpaper,10pt,oneside]{book}
\usepackage[T1]{fontenc}
%\usepackage[defaultmono]{droidmono}
\usepackage[scaled]{beramono}
\usepackage{fancyvrb}
\usepackage{geometry}
\usepackage{pdflscape}
%\usepackage{showframe}				% Diagnostic

% Suppress headers and footers completely
\pagestyle{empty}

% 66 lines per page, portrait
\geometry{top=0.0in, bottom=0.0in, left=1.5in, right=1.5in}

\RecustomVerbatimCommand{\VerbatimInput}{VerbatimInput}
{
	commandchars=\\\{\}
}

\begin{document}

\VerbatimInput{zcpr.ltx}

\end{document}