The programs in this directory are those developed in Chapter 7 of the book,
which examines the directory hierarchy. It looks at the parts of the
kernel API as well as selected library functions related to directories and
the directory hierarchy. Some of the programs in this directory are
not included in the book; those that aren't in the book are marked
with *.

The order in which they should be examined is as follows.
testdircalls.c
spl_ls1.c
spl_ls2.c
scandir_manpage_example.c
scandir_demo.c *
spl_ls3.c
spl_ls_rec1.c
spl_ls_rec2.c
nftw_manpage_example.c
nftw_demo.c
spl_du1.c
spl_du2.c
fts_demo.c
spl_pwd.c
