wctype(3) Library Functions Manual wctype(3) wctype - LIBRARY Standard C library (libc, -lc) #include wctype_t wctype(const char *name); wctype_t , . , . , (wctype_t) 0 . wctype_t iswctype(3) , . wctype() , . LC_CTYPE , : <> - isalnum(3) <> - isalpha(3) <> - isblank(3) <> - iscntrl(3) <> - isdigit(3) <> - isgraph(3) <> - islower(3) <> - isprint(3) <> - ispunct(3) <> - isspace(3) <> - isupper(3) <> - isxdigit(3) wctype() , name . (wctype_t) 0. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |wctype() | | MT-Safe locale | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. POSIX.1-2001, C99. wctype() LC_CTYPE . . iswctype(3) Azamat Hackimov Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 31 2023 . wctype(3)