Section: Linux Programmer's Manual (3) Updated: 1999-07-25 Local index
iswcntrl - test for control wide character
int iswcntrl(wint_t wc);
function is the wide-character equivalent of the
It tests whether wc is a wide character
belonging to the wide-character class "cntrl".
The wide-character class "cntrl" is disjoint from the wide-character class
"print" and therefore also disjoint from its subclasses "graph", "alpha",
"upper", "lower", "digit", "xdigit", "punct".
For an unsigned char c, iscntrl(c)
but not vice versa.
function returns nonzero if wc is a
wide character belonging to the wide-character class "cntrl".
Otherwise it returns zero.
The behavior of
depends on the
category of the
This page is part of release 3.27 of the Linux
A description of the project,
and information about reporting bugs,
can be found at
- RETURN VALUE
- CONFORMING TO
- SEE ALSO
This document was created by
using the manual pages.
Time: 21:48:42 GMT, April 16, 2011