Plan 9 from Bell Labs’s /usr/web/sources/contrib/quanstro/root/sys/src/libc/386
--rw-rw-r-- quanstro sys 68 Oct 30 2009 getcallerpc.s --rw-rw-r-- quanstro sys 488 Nov 5 2009 mkfile --rw-rw-r-- quanstro sys 79 Oct 30 2009 tas.s --rw-rw-r-- quanstro sys 429 Nov 5 2009 trace.s