3.18 iswblank—blank wide character test

Synopsis

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

Description
iswblank is a function which classifies wide-character values that are categorized as blank.

Returns
iswblank returns non-zero if c is a blank wide character.

Portability
iswblank is C99.

No supporting OS subroutines are required.