screenのソースを読んでいたらterminfoフォルダに、tetris.cというファイルを発見した。READMEによると This directory contains various file for termcap/terminfo installation and testing: screencap Termcap entry for screen. Add it to /etc/termcap. On NetBSD, you should run /usr/bin/cap_mkdb afterwards. screeninfo.src Terminfo entry. Use 'tic screeninfo.src' to install (Sun: /usr/5bin/tic). checktc.c Termcap/info test program. Checks marg