nftw
====

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

Gnulib module: ---

Portability problems fixed by Gnulib:

  * On platforms where off_t is a 32-bit type, this function may not correctly report the size of files or block devices 2 GiB and larger. See Large File Support.

Portability problems not fixed by Gnulib:

  * This function is missing on some platforms: FreeBSD 5.2.1, NetBSD 3.0, Minix 3.1.8, mingw, MSVC 14, Android 4.1.