Module Name:    src
Committed By:   kamil
Date:           Tue Feb 20 02:52:41 UTC 2018

Modified Files:
        src/lib/libc/stdio: setbuf.3

Log Message:
Improve the setbuf(3) man-page

Move historical lines to newly added HISTORY section.
Additional historical notes obtained from OpenBSD.


To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/lib/libc/stdio/setbuf.3

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/lib/libc/stdio/setbuf.3
diff -u src/lib/libc/stdio/setbuf.3:1.14 src/lib/libc/stdio/setbuf.3:1.15
--- src/lib/libc/stdio/setbuf.3:1.14	Wed Jul 15 19:08:43 2015
+++ src/lib/libc/stdio/setbuf.3	Tue Feb 20 02:52:41 2018
@@ -1,4 +1,4 @@
-.\"	$NetBSD: setbuf.3,v 1.14 2015/07/15 19:08:43 christos Exp $
+.\"	$NetBSD: setbuf.3,v 1.15 2018/02/20 02:52:41 kamil Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -205,19 +205,24 @@ and
 functions
 conform to
 .St -ansiC .
-.Sh BUGS
+.Sh HISTORY
+The
+.Fn setbuf
+function first appeared in
+.At v7 .
 The
 .Fn setbuffer
-and
+function first appeared in
+.Bx 4.1c .
+The
 .Fn setlinebuf
-functions are not portable to versions of
-.Bx
-before
+function first appeared in
 .Bx 4.2 .
-On
-.Bx 4.2
-and
-.Bx 4.3
-systems,
+The
+.Fn setvbuf
+function first appeared in
+.Bx 4.4 .
+.Sh BUGS
+The
 .Fn setbuf
-always uses a suboptimal buffer size and should be avoided.
+function usually uses a suboptimal buffer size and should be avoided.

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