NAME
iisswwaallnnuumm, iisswwaallpphhaa, iisswwaasscciiii, iisswwbbllaannkk, iisswwccnnttrrll, iisswwddiiggiitt, iisswwggrraapphh, iisswwhheexxnnuummbbeerr, iisswwiiddeeooggrraamm, iisswwlloowweerr, iisswwnnuummbbeerr, iisswwpphhoonnooggrraamm, iisswwpprriinntt,iisswwppuunncctt, iisswwrruunnee, iisswwssppaaccee, iisswwssppeecciiaall, iisswwuuppppeerr, iisswwxxddiiggiitt - wide
character classification utilities LLIIBBRRAARRYYStandard C Library (libc, -lc)
SYNOPSIS
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int iisswwaallnnuumm(wintt wc); int iisswwaallpphhaa(wintt wc); int iisswwaasscciiii(wintt wc); int iisswwbbllaannkk(wintt wc); int iisswwccnnttrrll(wintt wc); int iisswwddiiggiitt(wintt wc); int iisswwggrraapphh(wintt wc); int iisswwhheexxnnuummbbeerr(wintt wc); int iisswwiiddeeooggrraamm(wintt wc); int iisswwlloowweerr(wintt wc); int iisswwnnuummbbeerr(wintt wc); int iisswwpphhoonnooggrraamm(wintt wc); int iisswwpprriinntt(wintt wc); int iisswwppuunncctt(wintt wc); int iisswwrruunnee(wintt wc); int iisswwssppaaccee(wintt wc); int iisswwssppeecciiaall(wintt wc); int iisswwuuppppeerr(wintt wc); int iisswwxxddiiggiitt(wintt wc);> DESCRIPTION
The above functions are character classification utility functions, for use with wide characters (wchart or wintt). See the description forthe similarly-named single byte classification functions (like
isalnum(3)), for details. Extended locale versions of these functions are documented in iswalnuml(3). See xlocale(3) for more information.RETURN VALUES
The functions return zero if the character tests false and return non-
zero if the character tests true.SEE ALSO
isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3), ishexnumber(3), isideogram(3), islower(3), isnumber(3), isphonogram(3), isprint(3), ispunct(3), isrune(3), isspace(3), isspecial(3), isupper(3), isxdigit(3), wctype(3), iswalnuml(3) STANDARDSThese functions conform to IEEE Std 1003.1-2001 (``POSIX.1''), except
iisswwaasscciiii(), iisswwhheexxnnuummbbeerr(), iisswwiiddeeooggrraamm(), iisswwnnuummbbeerr(), iisswwpphhoonnooggrraamm(), iisswwrruunnee() and iisswwssppeecciiaall(), which are FreeBSD extensions. CCAAVVEEAATTSS The result of these functions is undefined unless the argument is WEOF or a valid wchart value for the current locale. BSD October 3, 2002 BSD