iswctype(3) Library Functions Manual iswctype(3) iswctype - (libc -lc) #include int iswctype(wint_t wc, wctype_t desc); wc desc ( : desc) iswctype() . . wc WEOF . desc wctype(3). iswctype() wc . 0. attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |iswctype() | | MT-Safe | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. POSIX.1-2001 C99. iswctype() LC_CTYPE . iswalnum(3), iswalpha(3), iswblank(3), iswcntrl(3), iswdigit(3), iswgraph(3), iswlower(3), iswprint(3), iswpunct(3), iswspace(3), iswupper(3), iswxdigit(3), wctype(3) 3 . . : . 6.18 8 2026 iswctype(3)