man-pages/man3/iswctype.3.html
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<H1>ISWCTYPE</H1>
Section: Linux Programmer's Manual (3)<BR>Updated: 2015-08-08<BR><A HREF="#index">Index</A>
<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>
iswctype - wide-character classification
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSIS</H2>
<PRE>
<B>#include &lt;<A HREF="file:///usr/include/wctype.h">wctype.h</A>&gt;</B>
<B>int iswctype(wint_t </B><I>wc</I><B>, wctype_t </B><I>desc</I><B>);</B>
</PRE>
<A NAME="lbAD">&nbsp;</A>
<H2>DESCRIPTION</H2>
If
<I>wc</I>
is a wide character having the character property designated by
<I>desc</I>
(or in other words: belongs to the character class designated by
<I>desc</I>),
the
<B>iswctype</B>()
function returns nonzero.
Otherwise, it
returns zero.
If
<I>wc</I>
is
<B>WEOF</B>,
zero is returned.
<P>
<I>desc</I>
must be a character property descriptor
returned by the
<B><A HREF="/cgi-bin/man/man2html?3+wctype">wctype</A></B>(3)
function.
<A NAME="lbAE">&nbsp;</A>
<H2>RETURN VALUE</H2>
The
<B>iswctype</B>()
function returns nonzero if
the
<I>wc</I>
has the designated
property.
Otherwise, it returns 0.
<A NAME="lbAF">&nbsp;</A>
<H2>ATTRIBUTES</H2>
For an explanation of the terms used in this section, see
<B><A HREF="/cgi-bin/man/man2html?7+attributes">attributes</A></B>(7).
<TABLE BORDER>
<TR VALIGN=top><TD><B>Interface</B></TD><TD><B>Attribute</B></TD><TD><B>Value</B><BR></TD></TR>
<TR VALIGN=top><TD>
<B>iswctype</B>()
</TD><TD>Thread safety</TD><TD>MT-Safe<BR></TD></TR>
</TABLE>
<A NAME="lbAG">&nbsp;</A>
<H2>CONFORMING TO</H2>
POSIX.1-2001, POSIX.1-2008, C99.
<A NAME="lbAH">&nbsp;</A>
<H2>NOTES</H2>
The behavior of
<B>iswctype</B>()
depends on the
<B>LC_CTYPE</B>
category of the
current locale.
<A NAME="lbAI">&nbsp;</A>
<H2>SEE ALSO</H2>
<B><A HREF="/cgi-bin/man/man2html?3+iswalnum">iswalnum</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswalpha">iswalpha</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswblank">iswblank</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswcntrl">iswcntrl</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswdigit">iswdigit</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswgraph">iswgraph</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswlower">iswlower</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswprint">iswprint</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswpunct">iswpunct</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswspace">iswspace</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswupper">iswupper</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+iswxdigit">iswxdigit</A></B>(3),
<B><A HREF="/cgi-bin/man/man2html?3+wctype">wctype</A></B>(3)
<A NAME="lbAJ">&nbsp;</A>
<H2>COLOPHON</H2>
This page is part of release 5.05 of the Linux
<I>man-pages</I>
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
<A HREF="https://www.kernel.org/doc/man-pages/.">https://www.kernel.org/doc/man-pages/.</A>
<P>
<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT id="1"><A HREF="#lbAB">NAME</A><DD>
<DT id="2"><A HREF="#lbAC">SYNOPSIS</A><DD>
<DT id="3"><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT id="4"><A HREF="#lbAE">RETURN VALUE</A><DD>
<DT id="5"><A HREF="#lbAF">ATTRIBUTES</A><DD>
<DT id="6"><A HREF="#lbAG">CONFORMING TO</A><DD>
<DT id="7"><A HREF="#lbAH">NOTES</A><DD>
<DT id="8"><A HREF="#lbAI">SEE ALSO</A><DD>
<DT id="9"><A HREF="#lbAJ">COLOPHON</A><DD>
</DL>
<HR>
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Time: 00:05:46 GMT, March 31, 2021
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