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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.