add RETURN VALUE section

2006-07-20 04:54:29 +00:00 · 2006-07-20 04:54:29 +00:00 · 83bf636b86
commit 83bf636b86
parent f7e6432a2b
1 changed files with 4 additions and 0 deletions
--- a/buffer/buffer_mmapread.3
+++ b/buffer/buffer_mmapread.3
@ -25,5 +25,9 @@ buffer_close to unmap the memory in the end.
  buffer_flush(buffer_1);
  buffer_close(&input);

+.SH "RETURN VALUE"
+\fBbuffer_mmapread\fR returns 0 if everything was fine, -1 on error
+(setting \fIerrno\fR).
+
 .SH "SEE ALSO"
 buffer_flush(3), buffer(3)