iswalpha(3) Library Functions Manual iswalpha(3) iswalpha - , C (libc, -lc) #include int iswalpha(wint_t wc); iswalpha() isalpha(3), . , wc , <>. <> <> , , <> <>. <>, <> <>. <>, <> <> <>. <>, <> <>. <> <>. <> <> <>. "alpha" 'A' 'Z' 'a' 'z'. iswalpha() , wc , <>. 0. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |iswalpha() | | MT-Safe locale | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. POSIX.1-2001, C99. iswalpha() LC_CTYPE . isalpha(3), iswctype(3) () Azamat Hackimov , Dmitriy S. Seregin , Yuri Kozlov , Kirill Rekhov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.9.1 2 2024 . iswalpha(3)