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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.14.5 v3.14.5 docs/manualpages/Sys/PetscMemmove.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscMemmove"><H1>PetscMemmove</H1></A>
Copies n bytes, beginning at location b, to the space beginning at location a. Copying between regions that overlap will take place correctly. Use <A HREF="../Sys/PetscMemcpy.html#PetscMemcpy">PetscMemcpy</A>() if the locations do not overlap
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
PETSC_STATIC_INLINE <A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Sys/PetscMemmove.html#PetscMemmove">PetscMemmove</A>(void *a,const void *b,size_t 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>b </B></TD><TD>- pointer to initial memory space
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>a </B></TD><TD>- pointer to copy space
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- length (in bytes) of space to copy
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
<A HREF="../Sys/PetscArraymove.html#PetscArraymove">PetscArraymove</A>() is preferred
This routine is analogous to memmove().
<P>
Developers Note: This is inlined for performance
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscMemcpy.html#PetscMemcpy">PetscMemcpy</A>(), <A HREF="../Sys/PetscMemcmp.html#PetscMemcmp">PetscMemcmp</A>(), <A HREF="../Sys/PetscArrayzero.html#PetscArrayzero">PetscArrayzero</A>(), <A HREF="../Sys/PetscMemzero.html#PetscMemzero">PetscMemzero</A>(), <A HREF="../Sys/PetscArraycmp.html#PetscArraycmp">PetscArraycmp</A>(), <A HREF="../Sys/PetscArraycpy.html#PetscArraycpy">PetscArraycpy</A>(), <A HREF="../Sys/PetscStrallocpy.html#PetscStrallocpy">PetscStrallocpy</A>(),
<BR><A HREF="../Sys/PetscArraymove.html#PetscArraymove">PetscArraymove</A>()
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../include/petscsys.h.html#PetscMemmove">include/petscsys.h</A>
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