iswblank, iswblank_l—blank wide character testSynopsis
#include <wctype.h> int iswblank(wint_t c); #include <wctype.h> int iswblank_l(wint_t c, locale_t locale);
Description
iswblank is a function which classifies wide-character values that
are categorized as blank.
iswblank_l is like iswblank but performs the check based on the
locale specified by the locale object locale. If locale is
LC_GLOBAL_LOCALE or not a valid locale object, the behaviour is undefined.
Returns
iswblank, iswblank_l return non-zero if c is a blank wide character.
Portability
iswblank is C99.
iswblank_l is POSIX-1.2008.
No supporting OS subroutines are required.