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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>KSPGetOptionsPrefix</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<A NAME="KSPGetOptionsPrefix"><H1>KSPGetOptionsPrefix</H1></A>
Gets the prefix used for searching for all  <A HREF="../KSP/KSP.html#KSP">KSP</A> options in the database. 
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscksp.h" 
PetscErrorCode PETSCKSP_DLLEXPORT KSPGetOptionsPrefix(KSP ksp,const char *prefix[])
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<DT><B>ksp </B> -the Krylov context
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<DT><B>prefix </B> -pointer to the prefix string used is returned
<br>
<P>
Notes: On the fortran side, the user should pass in a string 'prifix' of
sufficient length to hold the prefix.
<P>

<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
 <A HREF="../KSP/KSP.html#KSP">KSP</A>, set, options, prefix, database
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
 <A HREF="../KSP/KSPSetOptionsPrefix.html#KSPSetOptionsPrefix">KSPSetOptionsPrefix</A>(), <A HREF="../KSP/KSPAppendOptionsPrefix.html#KSPAppendOptionsPrefix">KSPAppendOptionsPrefix</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/ksp/interface/itcl.c.html#KSPGetOptionsPrefix">src/ksp/ksp/interface/itcl.c</A>
<BR><A HREF="./index.html">Index of all KSP 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>
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