fstatvfs
========

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

Gnulib module: ---

Portability problems fixed by Gnulib:

  * On platforms where f_blocks in struct statvfs is a 32-bit value, this function may not work correctly on files systems larger than 4 TiB.  See Large File Support.  This affects glibc/Hurd, HP-UX 11, Solaris.

Portability problems not fixed by Gnulib:

  * This function is missing on some platforms: OpenBSD 3.8, mingw, MSVC 14, Android 4.3.