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ISWCTYPE(3) Library Functions Manual ISWCTYPE(3) NAME iswctype - test a character for character class identifier LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <wctype.h> int iswctype(wint_t wc, wctype_t charclass); DESCRIPTION The iswctype() function returns a boolean value that indicates whether a wide character wc is in charclass. The behaviour of iswctype() is undefined if the iswctype() function is called with an invalid charclass (changes of LC_CTYPE category invalidate charclass) or invalid wide character wc. The behaviour of iswctype() is affected by the LC_CTYPE category of the current locale. RETURN VALUES The iswctype() returns: 0 wc is not in charclass. non-zero wc is in charclass. ERRORS No errors are defined. SEE ALSO setlocale(3), towctrans(3), wctrans(3), wctype(3) STANDARDS The iswctype() function conforms to ISO/IEC 9899/AMD1:1995 ("ISO C90, Amendment 1"). NetBSD 8.0 March 4, 2003 NetBSD 8.0