Indicates if a wide character is classed as a lowercase character in the program's current locale. Format #include <wctype.h> (ISO C) #include <wchar.h> (XPG4) int iswlower (wint_t wc);
1 – Argument
wc An object of type wint_t. The value of wc must be representable as a wchar_t in the current locale, or must equal the value of the macro WEOF. If it has any other value, the behavior is undefined.
2 – Return Values
nonzero If a lowercase character. 0 If not a lowercase character.