vscanf
======

POSIX specification:
 http://www.opengroup.org/onlinepubs/9699919799/functions/vscanf.html

Gnulib module: ---

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

  * This function is missing on some platforms: AIX 4.3.2, IRIX 6.5, OSF/1 5.1, Solaris 8.

  * On Windows platforms (excluding Cygwin), this function does not set errno upon failure.

  * On Windows, these functions don't support the hh, ll, j, t, z size specifiers.