\usepackage{alltt}

\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}
\usepackage{isolatin1}
\usepackage{latexsym}
\usepackage{textcomp}
\usepackage{times}
\usepackage{url}
\usepackage[T1,obeyspaces]{zrl}

% "verbatim" with line breaks, obeying spaces
\providecommand\code{\begingroup \xrlstyle{tt}\Xrl}
% as above, but okay to break lines at spaces
\providecommand\brcode{\begingroup \zrlstyle{tt}\Zrl}

% Same as the pair above, but 'l' for long == small type
\providecommand\lcode{\begingroup \small\xrlstyle{tt}\Xrl}
\providecommand\lbrcode{\begingroup \small\zrlstyle{tt}\Zrl}

% For identifiers - "verbatim" with line breaks at punctuation
\providecommand\ident{\begingroup \urlstyle{tt}\Url}
\providecommand\lident{\begingroup \small\urlstyle{tt}\Url}