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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
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<HEAD> <link rel="canonical" href="http://slepc.upv.es/documentation/current/docs/manualpages/BV/BVGetOptionsPrefix.html" />
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<TITLE>BVGetOptionsPrefix</TITLE>
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   <div id="version" align=right><b>slepc-3.7.3 2016-09-29</b></div>
   <div id="bugreport" align=right><a href="mailto:slepc-maint@upv.es?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: slepc-3.7.3 v3.7.3 docs/manualpages/BV/BVGetOptionsPrefix.html "><small>Report Typos and Errors</small></a></div>

<H1>BVGetOptionsPrefix</H1>
Gets the prefix used for searching for all <A HREF="../BV/BV.html#BV">BV</A> options in the database. 
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcbv.h" 
PetscErrorCode BVGetOptionsPrefix(BV bv,const char *prefix[])
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#883300">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0"><TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>bv </B></TD><TD>&nbsp;- the basis vectors context
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0"><TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>prefix </B></TD><TD>&nbsp;- pointer to the prefix string used, is returned
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Note</FONT></H3>
On the Fortran side, the user should pass in a string 'prefix' of
sufficient length to hold the prefix.
<P>

<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
 <A HREF="../BV/BVSetOptionsPrefix.html#BVSetOptionsPrefix">BVSetOptionsPrefix</A>(), <A HREF="../BV/BVAppendOptionsPrefix.html#BVAppendOptionsPrefix">BVAppendOptionsPrefix</A>()
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/sys/classes/bv/interface/bvfunc.c.html#BVGetOptionsPrefix">src/sys/classes/bv/interface/bvfunc.c</A>
<BR><A HREF="./index.html">Index of all BV 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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