iswalnum(3) Library Functions Manual iswalnum(3) iswalnum - , - LIBRARY Standard C library (libc, -lc) #include int iswalnum(wint_t wc); iswalnum() isalnum(3), . , wc , <>. <> <> , , <>. <>, <> <>. <>, <> <> <>. <> <>. <> -- <> <>. <>. The wide-character class "alnum" always contains at least the letters 'A' to 'Z', 'a' to 'z', and the digits '0' to '9'. iswalnum() , wc , <>. 0. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |iswalnum() | | MT-Safe locale | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. POSIX.1-2001, C99. iswalnum() LC_CTYPE . . isalnum(3), iswctype(3) Azamat Hackimov , Dmitriy S. Seregin , Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 31 2023 . iswalnum(3)