3.15 iswalnum—alphanumeric wide character test

Synopsis

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

Description
iswalnum is a function which classifies wide-character values that are alphanumeric.

Returns
iswalnum returns non-zero if c is a alphanumeric wide character.

Portability
iswalnum is C99.

No supporting OS subroutines are required.