iswspace(3) Library Functions Manual iswspace(3) iswspace - , (whitespace) C (libc, -lc) #include int iswspace(wint_t wc); iswspace() isspace(3), . , wc , <>. <> <> , , <>, <>, <>, <>, <>, <>, <>. <> <>. The wide-character class "space" always contains at least the space character and the control characters '\f', '\n', '\r', '\t', and '\v'. iswspace() , wc , <>. 0. attributes(7). +----------------------------+----------------------------------------------------------+--------------------------+ | | | | +----------------------------+----------------------------------------------------------+--------------------------+ |iswspace() | | MT-Safe locale | +----------------------------+----------------------------------------------------------+--------------------------+ C11, POSIX.1-2008. POSIX.1-2001, C99. iswspace() LC_CTYPE . isspace(3), iswctype(3) () Azamat Hackimov , Dmitriy S. Seregin , Yuri Kozlov ; GNU (GNU General Public License - GPL, 3 ) , - . - , , () () () . Linux man-pages 6.18 8 2026 . iswspace(3)