Plan 9 from Bell Labs’s /n/sources/plan9/sys/src/cmd/postscript/postreverse
--rw-rw-r-- glenda sys 365 Dec 11 1999 README --rw-rw-r-- glenda sys 351 Sep 27 2013 mkfile --rw-rw-r-- glenda sys 16455 Sep 26 2013 postreverse.c --rw-rw-r-- glenda sys 388 Dec 11 1999 postreverse.h