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<!-- Creator : groff version 1.22.4 -->
<!-- CreationDate: Sat Jun 4 16:23:27 2022 -->
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<title>TIFFWarning</title>
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<h1 align="center">TIFFWarning</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#RETURN VALUES">RETURN VALUES</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
<h2>NAME
<a name="NAME"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em">TIFFWarning,
TIFFSetWarningHandler − library warning interface</p>
<h2>SYNOPSIS
<a name="SYNOPSIS"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>#include
<tiffio.h></b></p>
<p style="margin-left:11%; margin-top: 1em"><b>void
TIFFWarning(const char *</b><i>module</i><b>, const char
*</b><i>fmt</i><b>,</b> <i>...</i><b>)</b></p>
<p style="margin-left:11%; margin-top: 1em"><b>#include
<stdarg.h></b></p>
<p style="margin-left:11%; margin-top: 1em"><b>typedef void
(*TIFFWarningHandler)(const char *</b><i>module</i><b>,
const char *</b><i>fmt</i><b>, va_list</b>
<i>ap</i><b>);</b></p>
<p style="margin-left:11%; margin-top: 1em"><b>TIFFWarningHandler
TIFFSetWarningHandler(TIFFWarningHandler</b>
<i>handler</i><b>);</b></p>
<h2>DESCRIPTION
<a name="DESCRIPTION"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b><i>TIFFWarning</i></b>
invokes the library-wide warning handler function to
(normally) write a warning message to the <b>stderr</b>. The
<i>fmt</i> parameter is a <i>printf</i>(3S) format string,
and any number arguments can be supplied. The <i>module</i>
parameter is interpreted as a string that, if non-zero,
should be printed before the message; it typically is used
to identify the software module in which a warning is
detected.</p>
<p style="margin-left:11%; margin-top: 1em">Applications
that desire to capture control in the event of a warning
should use <i>TIFFSetWarningHandler</i> to override the
default warning handler. A <small>NULL</small> (0) warning
handler function may be installed to suppress error
messages.</p>
<h2>RETURN VALUES
<a name="RETURN VALUES"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><i>TIFFSetWarningHandler</i>
returns a reference to the previous error handling
function.</p>
<h2>SEE ALSO
<a name="SEE ALSO"></a>
</h2>
<p style="margin-left:11%; margin-top: 1em"><b>TIFFError</b>(3TIFF),
<b>libtiff</b>(3TIFF), <b>printf</b>(3)</p>
<p style="margin-left:11%; margin-top: 1em">Libtiff library
home page: <b>http://www.simplesystems.org/libtiff/</b></p>
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