wchar.h
=======

POSIX specification: http://www.opengroup.org/susv3xbd/wchar.h.html

Gnulib module: wchar

Portability problems fixed by Gnulib:

  * This header file cannot be included on some platforms: Linux uClibc built without wide character support.

  * This header file is not self-contained on some platforms: OSF/1 with Desktop Toolkit C, BSD/OS 4.0.1.

  * The type wint_t and macro WEOF are missing on some platforms: IRIX 5.3.

  * Some platforms provide a NULL macro that cannot be used in arbitrary expressions: NetBSD 5.0

Portability problems not fixed by Gnulib:

  * This header file leads to link errors and endless recursions or endless loops on some platforms: glibc version 2.5 or older, together with gcc version 4.3 or newer and the option -std=c99 or -std=gnu99.