wcscasecmp and wcsncasecmp not available?

[DrTwox]

http://www.opengroup.org/onlinepubs/969 ... secmp.html

I presume these two functions are not in devkitPPC/newlib as they don't appear to be in wchar.h. Is this a limitation of devkitPPC/newlib locale support or are they GNU only extensions, not standard?