[PATCH 3/3] io: Sync fts with gnulib

[Paul Eggert]

On 2026-04-17 06:24, Adhemerval Zanella wrote:

> +     When fts_info == FTS_NSOK this supports expressions like
> +     (fts_statp->st_mode ? !!S_ISDIR (fts_statp->st_mode): -1), which yields
> +     1 for a directory, 0 for a non-directory, and -1 for unknown.  */

In rereading this patch, I suggest changing the example to use a FIFO 
rather than a directory, since directories never yield fts_info == 
FTS_NSOK. I installed the attached patch into Gnulib and you can use 
this in glibc too. Sorry about the confusion.
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