Define a wide-character mapping
#include <wctype.h> wctrans_t wctrans(const char *property);
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The wctrans() function determines a mapping rule for wide-character codes according to the category LC_CTYPE, particularly for use with towctrans().
The following mappings are defined in all locales, although additional classes may be defined for LC_CTYPE:
Use setlocale() to modify the category LC_CTYPE.
An object that you can use in a call to towctrans(), or 0 if the specified character mapping isn't valid for the current locale.
ANSI, POSIX 1003.1
towctrans(), towlower(), towupper()