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<A NAME="PetscDLSym"><H1>PetscDLSym</H1></A>
finds a symbol in a dynamic library
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
PetscErrorCode PetscDLSym(PetscDLHandle handle,const char symbol[],void **value)
</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>handle </B></TD><TD>- obtained with <A HREF="../Sys/PetscDLOpen.html#PetscDLOpen">PetscDLOpen</A>() or <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>symbol </B></TD><TD>- name of symbol
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>value </B> -pointer to the function
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
If handle is <A HREF="../Sys/PETSC_NULL.html#PETSC_NULL">PETSC_NULL</A>, the symbol is looked for in the main executable's dynamic symbol table.
In order to be dynamically loadable, the symbol has to be exported as such. On many UNIX-like
systems this requires platform-specific linker flags.
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/dll/dlimpl.c.html#PetscDLSym">src/sys/dll/dlimpl.c</A>
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