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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</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-3.7.5 v3.7.5 docs/manualpages/PC/PCShellGetContext.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PCShellGetContext"><H1>PCShellGetContext</H1></A>
Returns the user-provided context associated with a shell <A HREF="../PC/PC.html#PC">PC</A>
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscpc.h"
PetscErrorCode PCShellGetContext(PC pc,void **ctx)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<DT><B>pc </B> -should have been created with <A HREF="../PC/PCSetType.html#PCSetType">PCSetType</A>(pc,shell)
<br>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>ctx </B> -the user provided context
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
This routine is intended for use within various shell routines
<P>
Fortran Notes: To use this from Fortran you must write a Fortran interface definition for this
function that tells Fortran the Fortran derived data type that you are passing in as the ctx argument.
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
<A HREF="../PC/PC.html#PC">PC</A>, shell, get, context
<BR>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../PC/PCShellSetContext.html#PCShellSetContext">PCShellSetContext</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/pc/impls/shell/shellpc.c.html#PCShellGetContext">src/ksp/pc/impls/shell/shellpc.c</A>
<BR><A HREF="./index.html">Index of all PC 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/ksp/examples/tutorials/ex15.c.html">src/ksp/ksp/examples/tutorials/ex15.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/examples/tutorials/parabolic.c.html">src/tao/pde_constrained/examples/tutorials/parabolic.c.html</A><BR>
<A HREF="../../../src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html">src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html</A><BR>
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