HP-UX Reference (11i v1 00/12) - 3 Library Functions N-Z (vol 7)

__________________________________________________________________________________________________________________________________________________________________________________________________
__________________________________________________________________________________________________________________________________________________________________________________________________
STANDARD Printed by: Nora Chuang [nchuang] STANDARD
/build/1111/BRICK/man3/nan.3m
________________________________________________________________
___ ___
w
wctype(3C) wctype(3C)
iswcntrl(wc) wc is a control character (in ASCII: character codes less than 040 and the delete
character (0177)).
If the argument to any of these functions is outside the domain of the function, the result is 0 (false).
Definitions for these functions and the types wint_t, wchar_t, and wctype_t are provided in the
<wchar.h>header.
APPLICATION USAGE
The interfaces wctype(), iswctype() , iswalnum(), iswalpha(), iswcntrl() , iswdi-
git()
, iswgraph() , iswlower() , iswprint() , iswpunct() , iswspace(), iswupper()
and iswxdigit() are thread-safe and async-cancel-safe.
EXTERNAL INFLUENCES
Locale
The LC_CTYPE category determines the classification of character type.
International Code Set Support
Single-byte and multi-byte character code sets are supported.
AUTHOR
wctype() was developed by IBM, OSF, and HP.
SEE ALSO
ctype(3C), multibyte(3C), setlocale(3C), ascii(5).
STANDARDS CONFORMANCE
wctype(): XPG4
iswalnum(): XPG4
iswalpha(): XPG4
iswcntrl(): XPG4
iswctype(): XPG4
iswdigit(): XPG4
iswgraph(): XPG4
iswlower(): XPG4
iswprint(): XPG4
iswpunct(): XPG4
iswspace(): XPG4
iswupper(): XPG4
iswxdigit() : XPG4
HP-UX Release 11i: December 2000 − 2 − Section 3−−1023
___
___