iswxdigit(3) Library Functions Manual iswxdigit(3) iswxdigit - , C (libc, -lc) #include int iswxdigit(wint_t wc); iswxdigit() isxdigit(3), . , wc , <>. <> <> , , <> <>. <>, <> <>. <>, <> <> <>. <>, <> <>. The wide-character class "xdigit" always contains at least the letters 'A' to 'F', 'a' to 'f' and the digits '0' to '9'. iswxdigit() , wc , <>. 0. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |iswxdigit() | | MT-Safe locale | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. POSIX.1-2001, C99. iswxdigit() LC_CTYPE . iswctype(3), isxdigit(3) () Azamat Hackimov , Dmitriy S. Seregin , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () <>. Linux 6.17 8 2026 . iswxdigit(3)