Plan 9 from Bell Labs’s /usr/web/sources/contrib/fgb/root/sys/src/cmd/4th/lib/null.4th
\ 4tH library - NULL - Copyright 2003 J.L. Bezemer \ You can redistribute this file and/or modify it under \ the terms of the GNU General Public License [UNDEFINED] NULL [IF] -1 constant NULL \ NULL pointer [THEN]