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<A NAME="PetscMemzero"><H1>PetscMemzero</H1></A>
Zeros the specified memory.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petsc.h"
int PetscMemzero(void *a,int n)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>a </B></TD><TD>- pointer to beginning memory location
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- length (in bytes) of memory to initialize
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Compile Option</FONT></H3>
PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens
to be faster than the memset() routine. This flag causes the bzero() routine to be used.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscMemcpy.html#PetscMemcpy">PetscMemcpy</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>intermediate
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/src/utils/memc.c.html#PetscMemzero">src/sys/src/utils/memc.c</A>
<BR><A HREF="./index.html">Index of all Sys routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/ksp/examples/tutorials/ex28.c.html">src/ksp/examples/tutorials/ex28.c.html</A><BR>
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