iswspace(3) Library Functions Manual iswspace(3) iswspace - (libc -lc) #include int iswspace(wint_t wc); iswspace() isspace(3). wc "space". "space" "graph" "alnum" "alpha" "upper" "lower" "digit" "xdigit" "punct". "space" "blank". "space" '\f' '\n' '\r' '\t' '\v'. iswspace() wc "space". . attributes(7). +----------------------+------------------------------------+---------------------------------------------------------------------------------------------+ | | | | +----------------------+------------------------------------+---------------------------------------------------------------------------------------------+ |iswspace() | | (locale) (MT-Safe) | +----------------------+------------------------------------+---------------------------------------------------------------------------------------------+ C11, POSIX.1-2008. POSIX.1-2001 C99. iswspace() LC_CTYPE . isspace(3), iswctype(3) 3 . . : . 6.18 8 2026 iswspace(3)