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authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
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+<TITLE>fflush</TITLE>
+<body bgcolor="#ffffcc">
+<hr>
+<pre>
+
+
+
+<h3>FFLUSH(3) Linux Programmer's Manual FFLUSH(3)
+</h3>
+
+<h3>NAME
+</h3> fflush, fpurge - flush a stream
+
+<h3>SYNOPSIS
+</h3> #include &lt;stdio.h&gt;
+
+ int fflush( FILE *stream);
+ int fpurge( FILE *stream);
+
+<h3>DESCRIPTION
+</h3> The function fflush forces a write of all buffered data
+ for the given output or update stream via the stream's
+ underlying write function. The open status of the stream
+ is unaffected.
+
+ If the stream argument is NULL, fflush flushes all open
+ output streams. (Does this happen under Linux)
+
+ The function fpurge erases any input or output buffered in
+ the given stream. For output streams this discards any
+ unwritten output. For input streams this discards any
+ input read from the underlying object but not yet obtained
+ via getc(3); this includes any text pushed back via
+ ungetc.
+
+<h3>RETURN VALUES
+</h3> Upon successful completion 0 is returned. Otherwise, EOF
+ is returned and the global variable errno is set to indi-
+ cate the error.
+
+<h3>ERRORS
+</h3> EBADF Stream is not an open stream, or, in the case of
+ fflush, not a stream open for writing.
+
+ The function fflush may also fail and set errno for any of
+ the errors specified for the routine write(2).
+
+<h3>BUGS
+</h3> Linux may not support fpurge.
+
+</pre>
+<hr>
+<h3>SEE ALSO
+</h3><p>
+<a href=write.htm>write</a>,
+<a href=fopen.htm>fopen</a>,
+<a href=fclose.htm>fclose</a>,
+<a href=setbuf.htm>setbuf</a>,
+<pre>
+
+<h3>STANDARDS
+</h3> The fflush function conforms to ANSI C3.159-1989 (``ANSI
+ C'').
+
+
+
+
+
+
+
+
+
+
+
+<h3>BSD MANPAGE 29 November 1993 1
+</h3>
+
+ </pre>
+<P>
+<hr>
+<p>
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+
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