{\not@math@alphabet\ttfamily\mathtt
\romanfamily\ttdefault\kanjifamily\jttdefault\selectfont}
\DeclareDocumentCommand \setmonojfont { O{} m } {
{\not@math@alphabet\ttfamily\mathtt
\romanfamily\ttdefault\kanjifamily\jttdefault\selectfont}
\DeclareDocumentCommand \setmonojfont { O{} m } {