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author | Joseph Myers <joseph@codesourcery.com> | 2012-02-27 20:37:48 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-02-27 20:37:48 +0000 |
commit | 6664049b71f562ffbf77f96cf6a7521aa6135ed2 (patch) | |
tree | c4bab5f51e6714ea7b67ba4201aa1727991d8816 /manual/llio.texi | |
parent | bb8b6697d419a9ed48b96470844aa0b6c84435e3 (diff) | |
download | glibc-6664049b71f562ffbf77f96cf6a7521aa6135ed2.tar.gz |
Don't document fclean.
Diffstat (limited to 'manual/llio.texi')
-rw-r--r-- | manual/llio.texi | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/manual/llio.texi b/manual/llio.texi index 8154de7416..281d1e02d5 100644 --- a/manual/llio.texi +++ b/manual/llio.texi @@ -1000,21 +1000,10 @@ for linked channels; see @ref{Linked Channels}. @node Cleaning Streams @subsection Cleaning Streams -On the GNU system, you can clean up any stream with @code{fclean}: - -@comment stdio.h -@comment GNU -@deftypefun int fclean (FILE *@var{stream}) -Clean up the stream @var{stream} so that its buffer is empty. If -@var{stream} is doing output, force it out. If @var{stream} is doing -input, give the data in the buffer back to the system, arranging to -reread it. -@end deftypefun - -On other systems, you can use @code{fflush} to clean a stream in most +You can use @code{fflush} to clean a stream in most cases. -You can skip the @code{fclean} or @code{fflush} if you know the stream +You can skip the @code{fflush} if you know the stream is already clean. A stream is clean whenever its buffer is empty. For example, an unbuffered stream is always clean. An input stream that is at end-of-file is clean. A line-buffered stream is clean when the last @@ -1028,12 +1017,10 @@ not random access, there is no way to give back the excess data already read. When an input stream reads from a random-access file, @code{fflush} does clean the stream, but leaves the file pointer at an unpredictable place; you must set the file pointer before doing any -further I/O. On the GNU system, using @code{fclean} avoids both of -these problems. +further I/O. Closing an output-only stream also does @code{fflush}, so this is a -valid way of cleaning an output stream. On the GNU system, closing an -input stream does @code{fclean}. +valid way of cleaning an output stream. You need not clean a stream before using its descriptor for control operations such as setting terminal modes; these operations don't affect |