/sources/contrib/tristan/root/sys/src/cmd/geo/proj/
      1693 2010-02-12 arc.c
      3277 2010-05-11 ell.c
      1437 2010-05-11 main.c
       331 2010-03-11 mkfile
       553 2010-03-11 proj.c
       998 2010-02-12 project.h
      2898 2010-03-11 tmerc.c
       506 2010-05-11 λφ.c