3.23 iswprint, iswprint_l—printable wide character test

Synopsis

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

#include <wctype.h>
int iswprint_l(wint_t c, locale_t locale);

Description
iswprint is a function which classifies wide-character values that are printable.

iswprint_l is like iswprint 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
iswprint, iswprint_l return non-zero if c is a printable wide character.

Portability
iswprint is C99. iswprint_l is POSIX-1.2008.

No supporting OS subroutines are required.