iswalnum

Tests for an alphanumeric wide-character code.

Library:LibC
Classification:ANSI
Service:Characters and Strings

Syntax

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

Parameters

wc

(IN) Specifies the wide-character code to test.

Return Values

Returns a nonzero if the argument is an alphabetic or a digit wide-character code. Otherwise, it returns 0.

Remarks

The iswalnum function tests if wc is an alphanumeric wide-character code in the current locale. An alphanumeric wide-character code is any wide-character code for which iswalpha or iswdigit is true.

See Also