iswctype(3) Library Functions Manual iswctype(3) NAME iswctype - wide-character classification LIBRARY Standard C library (libc, -lc) SYNOPSIS #include int iswctype(wint_t wc, wctype_t desc); DESCRIPTION If wc is a wide character having the character property designated by desc (or in other words: belongs to the character class designated by desc), then the iswctype() function returns nonzero. Otherwise, it returns zero. If wc is WEOF, zero is returned. desc must be a character property descriptor returned by the wctype(3) function. RETURN VALUE The iswctype() function returns nonzero if the wc has the designated property. Otherwise, it returns 0. ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). +--------------------------------------------+---------------+---------+ |Interface | Attribute | Value | +--------------------------------------------+---------------+---------+ |iswctype () | Thread safety | MT-Safe | +--------------------------------------------+---------------+---------+ STANDARDS C11, POSIX.1-2008. HISTORY POSIX.1-2001, C99. NOTES The behavior of iswctype() depends on the LC_CTYPE category of the current locale. SEE ALSO 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) Linux man-pages 6.7 2023-10-31 iswctype(3)