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<refentry id="TIFFmemory-3tiff">

<refmeta><refentrytitle>TIFFmemory</refentrytitle><manvolnum>3tiff</manvolnum>

<refmiscinfo class="date">05 Apr 2004</refmiscinfo>

<refmiscinfo class="sectdesc">&man3;</refmiscinfo>

<refmiscinfo class="software">&release;</refmiscinfo>

<refmiscinfo class="arch">generic</refmiscinfo>

<refmiscinfo class="copyright">&suncopy;</refmiscinfo>

</refmeta>

<indexterm><primary>TIFFmalloc</primary></indexterm><indexterm><primary>TIFFrealloc

</primary></indexterm><indexterm><primary>TIFFfree</primary></indexterm><indexterm>

<primary>TIFFmemset</primary></indexterm><indexterm><primary>TIFFmemcpy</primary>

</indexterm><indexterm><primary>TIFFmemcmp</primary></indexterm><indexterm>

<primary>memory-management-related functions for use with TIFF files</primary>

</indexterm>

<refnamediv id="TIFFmemory-3tiff-name"><refdescriptor>TIFFmemory</refdescriptor>

<refname>_TIFFmalloc</refname><refname>_TIFFrealloc</refname><refname>_TIFFfree

</refname><refname>_TIFFmemset</refname><refname>_TIFFmemcpy</refname><refname>

_TIFFmemcmp</refname><refpurpose>memory-management-related functions for use

with TIFF files</refpurpose></refnamediv>

<refsect1 id="TIFFmemory-3tiff-synp"><title>&synp-tt;<?Pub Caret></title>

<programlisting>#include &lt;tiffio.h>

tdata_t _TIFFmalloc(tsize_t);

tdata_t _TIFFrealloc(tdata_t, tsize_t);

void _TIFFfree(tdata_t);

void _TIFFmemset(tdata_t, int, tsize_t);

void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t);

int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t);</programlisting>

</refsect1>

<refsect1 id="TIFFmemory-3tiff-desc"><title>&desc-tt;</title>

<para>These routines are provided for writing portable software that uses <literal>

libtiff</literal>. The routines hide any memory-management-related issues,

such as dealing with segmented architectures found on 16-bit machines.</para>

<para><literal>_TIFFmalloc</literal> and <literal>_TIFFrealloc</literal> are

used to dynamically allocate and reallocate memory used by <literal>libtiff

</literal>, such as memory passed into the I/O routines.</para>

<para>Memory allocated through these interfaces is released back to the system

using the <literal>_TIFFfree</literal> routine. Memory allocated through one

of the above interfaces can be set to a known value using <literal>_TIFFmemset

</literal>, copied to another memory location using <literal>_TIFFmemcpy</literal>,

or compared for equality using <literal>_TIFFmemcmp</literal>. These routines

conform to the equivalent ANSI C routines: <literal>memset</literal>, <literal>

memcpy</literal>, and <literal>memcmp</literal>, respectively.</para>

</refsect1>

<refsect1 id="TIFFmemory-3tiff-attr"><title>&attr-tt;</title>

<para>See <olink targetdocent="REFMAN5" localinfo="attributes-5"><citerefentry>

<refentrytitle>attributes</refentrytitle><manvolnum>5</manvolnum></citerefentry></olink>

for descriptions of the following attributes:</para>

<informaltable frame="all">

<tgroup cols="2" colsep="1" rowsep="1"><colspec colname="COLSPEC0" colwidth="1*">

<colspec colname="COLSPEC1" colwidth="1*">

<thead>

<row><entry align="center" valign="middle">ATTRIBUTE TYPE</entry><entry align="center"

valign="middle">ATTRIBUTE VALUE</entry></row>

</thead>

<tbody>

<row><entry><para>Availability</para></entry><entry><para>image/library/libtiff</para></entry>

</row>

<row><entry colname="COLSPEC0"><para>Interface stability</para></entry><entry

colname="COLSPEC1"><para>Uncommitted</para></entry></row>

</tbody>

</tgroup>

</informaltable>

</refsect1>

<refsect1 id="TIFFmemory-3tiff-also"><title>&also-tt;</title>

<para><citerefentry><refentrytitle>libtiff</refentrytitle><manvolnum>3</manvolnum>

</citerefentry>, <citerefentry><refentrytitle>malloc</refentrytitle><manvolnum>

3C</manvolnum></citerefentry>, <citerefentry><refentrytitle>memory</refentrytitle>

<manvolnum>3C</manvolnum></citerefentry></para>

</refsect1>

<refsect1 id="TIFFmemory-3tiff-note"><title>&note-tt;</title>

<para>This man page was originally written by Sam Leffler. Updated by Breda

McColgan, Sun Microsystems Inc., 2004.</para>

</refsect1>

</refentry>

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