(print_human_type): Remove function.
(human_access): Rename from print_human_access. Return a string.
(human_time): Rename from print_human_time. Return a string.
(print_stat): Arrange so that field width and an alignment specifier
are honored for the %A, %F, %x, %y, and %z formats.
[%F]: Use file_type; this gives slightly different file type strings,
e.g., `directory' instead of `Directory' and `regular file' or
`regular empty file' instead of `Regular file'.
Include "dirname.h", "ftw.h", and "quotearg.h".
(AUTHORS): Add self.
(opt_one_file_system): Move global into `main'.
(path, xstat, exit_status): Remove declarations.
(arg_length, suffix_length): New globals.
(G_fail): New global, sort of like the old `exit_status'.
(IS_FTW_DIR_TYPE): Define.
(print_only_size): New function.
(process_file): New function.
(str_init, ensure_space, str_copyc, str_concatc): Remove functions.
(str_trunc, pop_dir, count_entry): Likewise.
(du_files): Rewrite to use nftw.
store the screen columns, and return the number of bytes instead.
(print_dir): Pass NULL as fourth parameter of quote_name.
(print_name_with_quoting): Likewise.
(length_of_file_name_and_frills): Get the width from the fourth
parameter of quote_name instead of return value.
`format == long_format', then silently reset dired. This doesn't
change the behavior of ls (all prior uses of dired were protected
by `&& format == long_format'), and lets us...
(DIRED_INDENT): ... remove `format == long_format' conjunct.
(PUSH_CURRENT_DIRED_POS): Likewise.
(main): Likewise.
