libtiff/html/man/TIFFmemory.3t.html
1999-11-23 04:29:23 +00:00

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<H1>MEMORY</H1>
Section: Misc. Reference Manual Pages (3T)<BR>Updated: October 15, 1995<BR><A HREF="#index">Index</A>
<BR><A HREF="index.html">Return to Main Contents</A>
<HR>
<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>
_TIFFmalloc, _TIFFrealloc, _TIFFfree, _TIFFmemset, _TIFFmemcpy, _TIFFmemcmp, - memory management-related functions for use with
<FONT SIZE="-1">TIFF</FONT>
files
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSIS</H2>
<PRE>
<B>#include &lt;<A HREF="file:/usr/include/tiffio.h">tiffio.h</A>&gt;</B>
<B>tdata_t _TIFFmalloc(tsize_t);</B>
<B>tdata_t _TIFFrealloc(tdata_t, tsize_t);</B>
<B>void _TIFFfree(tdata_t);</B>
<B>void _TIFFmemset(tdata_t, int, tsize_t);</B>
<B>void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t);</B>
<B>int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t);</B>
</PRE>
<A NAME="lbAD">&nbsp;</A>
<H2>DESCRIPTION</H2>
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>
<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>
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
<FONT SIZE="-1">ANSI</FONT>
C routines:
<I>memset</I>,
<I>memcpy</I>,
and
<I>memcmp</I>,
repsectively.
<A NAME="lbAE">&nbsp;</A>
<H2>DIAGNOSTICS</H2>
None.
<A NAME="lbAF">&nbsp;</A>
<H2>SEE ALSO</H2>
<I><A HREF="libtiff.3t.html">libtiff</A></I>(3T),
<I><A HREF="malloc+3c">malloc</A></I>(3C),
<I><A HREF="memory+3c">memory</A></I>(3C)
<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT><A HREF="#lbAB">NAME</A><DD>
<DT><A HREF="#lbAC">SYNOPSIS</A><DD>
<DT><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT><A HREF="#lbAE">DIAGNOSTICS</A><DD>
<DT><A HREF="#lbAF">SEE ALSO</A><DD>
</DL>
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Time: 01:31:39 GMT, November 23, 1999
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