.\" the source, must acknowledge the copyright and authors of this work.
.\" %%%LICENSE_END
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-.TH STDIO_EXT 3 2001-12-16 "" "Linux Programmer's Manual"
+.TH STDIO_EXT 3 2013-06-21 "" "Linux Programmer's Manual"
.SH NAME
__fbufsize, __flbf, __fpending, __fpurge, __freadable,
__freading, __fsetlocking, __fwritable, __fwriting, _flushlbf \-
The
.BR __fpurge ()
function discards the contents of the stream's buffer.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR __fbufsize (),
+.BR __fpending (),
+.BR __fpurge ()
+and
+.BR __fsetlocking ()
+functions do not lock the stream, so they are not thread-safe.
+.LP
+The
+.BR __flbf (),
+.BR __freadable (),
+.BR __freading (),
+.BR __fwritable (),
+.BR __fwriting ()
+and
+.BR _flushlbf ()
+functions are thread-safe.
.SH SEE ALSO
.BR flockfile (3),
.BR fpurge (3)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.