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10.931 readdir

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/readdir.html

Gnulib module: readdir

Portability problems fixed by Gnulib:

• This function is missing on some platforms: MSVC 14.
• On platforms where off_t is a 32-bit type, this function may not work correctly on huge directories 2 GiB and larger. Also, on platforms where ino_t is a 32-bit type, this function may report inode numbers incorrectly. This can occur with file systems such as XFS (typically on large disks) and NFS. See Large File Support.

Portability problems not fixed by Gnulib:

• Although POSIX places no restrictions on d_ino values, some older systems are rumored to return d_ino values equal to zero for directory entries that do not really exist. Although Gnulib formerly attempted to cater to these older systems, this caused misbehavior on standard systems and so Gnulib does not attempt to cater to them any more. If you know of any problems caused by this, please send a bug report.