Plan 9 from Bell Labs’s /n/sources/plan9/mips/include
d-rwxrwxr-x glenda sys 0 Feb 26 2003 ape --rw-rw-r-- glenda sys 886 Mar 12 2000 mips2ureg.h --rw-rw-r-- glenda sys 1597 Jun 12 2013 u.h --rw-rw-r-- glenda sys 550 Dec 11 1999 ureg.h