diff options
Diffstat (limited to 'manual/llio.texi')
-rw-r--r-- | manual/llio.texi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/manual/llio.texi b/manual/llio.texi index acfc929164..4efb552b8f 100644 --- a/manual/llio.texi +++ b/manual/llio.texi @@ -849,6 +849,16 @@ is not valid) or if @var{stream} does not do I/O to a file, @code{fileno} returns @math{-1}. @end deftypefun +@comment stdio.h +@comment GNU +@deftypefun int fileno_unlocked (FILE *@var{stream}) +The @code{fileno_unlocked} function is equivalent to the @code{fileno} +function except that it does not implicitly lock the stream if the state +is @code{FSETLOCKING_INTERNAL}. + +This function is a GNU extension. +@end deftypefun + @cindex standard file descriptors @cindex file descriptors, standard There are also symbolic constants defined in @file{unistd.h} for the |