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<title>MEMORY</title>
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<h1 align=center>MEMORY</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
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<a name="NAME"></a>
<h2>NAME</h2>
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<p>_TIFFmalloc, _TIFFrealloc, _TIFFfree, _TIFFmemset,
_TIFFmemcpy, _TIFFmemcmp, − memory management-related
functions for use with <small>TIFF</small> files</p>
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<h2>SYNOPSIS</h2>
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<p><b>#include <tiffio.h></b></p>
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<p><b>tdata_t _TIFFmalloc(tsize_t</b> <i>size</i><b>);<br>
tdata_t _TIFFrealloc(tdata_t</b> <i>buffer</i><b>,
tsize_t</b> <i>size</i><b>);<br>
void _TIFFfree(tdata_t</b> <i>buffer</i><b>);<br>
void _TIFFmemset(tdata_t</b> <i>s</i><b>, int</b>
<i>c</i><b>, tsize_t</b> <i>n</i><b>);<br>
void _TIFFmemcpy(tdata_t</b> <i>dest</i><b>, const
tdata_t</b> <i>src</i><b>, tsize_t</b> <i>n</i><b>);<br>
int _TIFFmemcmp(const tdata_t</b> <i>s1</i><b>, const
tdata_t</b> <i>s2</i><b>, tsize_t</b> <i>n</i><b>);</b></p>
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<h2>DESCRIPTION</h2>
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<p>These routines are provided for writing portable software
that uses <i>libtiff</i>; they hide any memory-management
related issues, such as dealing with segmented architectures
found on 16-bit machines.</p>
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<p><i>_TIFFmalloc</i> and <i>_TIFFrealloc</i> are used to
dynamically allocate and reallocate memory used by
<i>libtiff</i>; such as memory passed into the I/O routines.
Memory allocated through these interfaces is released back
to the system using the <i>_TIFFfree</i> routine.</p>
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<p>Memory allocated through one of the above interfaces can
be set to a known value using <i>_TIFFmemset</i>, copied to
another memory location using <i>_TIFFmemcpy</i>, or
compared for equality using <i>_TIFFmemcmp</i>. These
routines conform to the equivalent <small>ANSI</small> C
routines: <i>memset</i>, <i>memcpy</i>, and <i>memcmp</i>,
repsectively.</p>
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<h2>DIAGNOSTICS</h2>
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<p>None.</p>
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<h2>SEE ALSO</h2>
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<p><b>malloc</b>(3), <b>memory</b>(3),
<b>libtiff</b>(3TIFF)</p>
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<p>Libtiff library home page:
<b>http://www.remotesensing.org/libtiff/</b></p>
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