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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
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<A NAME="PetscBinaryOpen"><H1>PetscBinaryOpen</H1></A>
Opens a PETSc binary file.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
PetscErrorCode PetscBinaryOpen(const char name[],PetscFileMode mode,int *fd)
</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>name </B></TD><TD>- filename
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>type </B></TD><TD>- type of binary file, one of FILE_MODE_READ, FILE_MODE_APPEND, FILE_MODE_WRITE
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<DT><B>fd </B> -the file
<br>
<P>
<P>
<P>
Notes: Files access with <A HREF="../Sys/PetscBinaryRead.html#PetscBinaryRead">PetscBinaryRead</A>() and <A HREF="../Sys/PetscBinaryWrite.html#PetscBinaryWrite">PetscBinaryWrite</A>() are ALWAYS written in
big-endian format. This means the file can be accessed using <A HREF="../Sys/PetscBinaryOpen.html#PetscBinaryOpen">PetscBinaryOpen</A>() and
<A HREF="../Sys/PetscBinaryRead.html#PetscBinaryRead">PetscBinaryRead</A>() and <A HREF="../Sys/PetscBinaryWrite.html#PetscBinaryWrite">PetscBinaryWrite</A>() on any machine.
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Sys/PetscBinaryRead.html#PetscBinaryRead">PetscBinaryRead</A>(), <A HREF="../Sys/PetscBinaryWrite.html#PetscBinaryWrite">PetscBinaryWrite</A>(), <A HREF="../Sys/PetscFileMode.html#PetscFileMode">PetscFileMode</A>, <A HREF="../Viewer/PetscViewerFileSetMode.html#PetscViewerFileSetMode">PetscViewerFileSetMode</A>(), <A HREF="../Viewer/PetscViewerBinaryGetDescriptor.html#PetscViewerBinaryGetDescriptor">PetscViewerBinaryGetDescriptor</A>(),
<BR><A HREF="../Sys/PetscBinarySynchronizedWrite.html#PetscBinarySynchronizedWrite">PetscBinarySynchronizedWrite</A>(), <A HREF="../Sys/PetscBinarySynchronizedRead.html#PetscBinarySynchronizedRead">PetscBinarySynchronizedRead</A>(), <A HREF="../Sys/PetscBinarySynchronizedSeek.html#PetscBinarySynchronizedSeek">PetscBinarySynchronizedSeek</A>()
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/fileio/sysio.c.html#PetscBinaryOpen">src/sys/fileio/sysio.c</A>
<BR><A HREF="./index.html">Index of all Sys 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/dm/examples/tutorials/ex15.c.html">src/dm/examples/tutorials/ex15.c.html</A><BR>
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