Walk Along the Path

For each path component that isn't the final component...

If the component is found, but is neither a directory nor a symbolic link, an ENOTDIR error is returned.

open(pathname = "/home/pmiller/.netrc/lca", flags = O_RDONLY) failed, Not a directory (20, ENOTDIR) because the ".netrc" regular file in the pathname "/home/pmiller" directory is being used as a directory when it is not