3.26 iswxdigit—hexadecimal digit wide character test

Synopsis

     #include <wctype.h>
     int iswxdigit(wint_t c);
     

Description
iswxdigit is a function which classifies wide character values that are hexadecimal digits.

Returns
iswxdigit returns non-zero if c is a hexadecimal digit wide character.

Portability
iswxdigit is C99.

No supporting OS subroutines are required.