3.22 iswlower, iswlower_l—lowercase wide character test

Synopsis

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

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

Description
iswlower is a function which classifies wide-character values that are categorized as lowercase.

iswlower_l is like iswlower 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
iswlower, iswlower_l return non-zero if c is a lowercase wide character.

Portability
iswlower is C99. iswlower_l is POSIX-1.2008.

No supporting OS subroutines are required.