diff options
Diffstat (limited to 'gl/stdio.in.h')
| -rw-r--r-- | gl/stdio.in.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gl/stdio.in.h b/gl/stdio.in.h index 0445c6f107..b659b6703a 100644 --- a/gl/stdio.in.h +++ b/gl/stdio.in.h @@ -414,6 +414,9 @@ extern long rpl_ftell (FILE *fp); # if @REPLACE_FPURGE@ || !@HAVE_DECL_FPURGE@ /* Discard all pending buffered I/O data on STREAM. STREAM must not be wide-character oriented. + When discarding pending output, the file position is set back to where it + was before the write calls. When discarding pending input, the file + position is advanced to match the end of the previously read input. Return 0 if successful. Upon error, return -1 and set errno. */ extern int fpurge (FILE *gl_stream); # endif |