const char * querylocale(int mask, locale_t locale);
possible values for the mask are the same as those in
Returns the name of the locale for the category specified by mask. If more than one bit in the mask is set,
each category string will be returned separated by a / (forward slash) in the same order they are returned from
The function conforms to IEEE Std 1003.1-2008 'POSIX.1'
PTC MKS Toolkit 10.3 Documentation Build 39.