Add the missing STANDARDS section (kettenis@ noticed that these are

POSIX functions) and turn the weird DIAGNOSTICS section into a normal
RETURN VALUES section while here.

1 files changed, 14 insertions, 6 deletions

diff --git a/src/lib/libc/net/getnetent.3 b/src/lib/libc/net/getnetent.3
index e0344e2dd0..f45526ec1d 100644
--- a/src/lib/libc/net/getnetent.3
+++ b/src/lib/libc/net/getnetent.3
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: getnetent.3,v 1.16 2013/06/05 03:39:23 tedu Exp $
+.\"     $OpenBSD: getnetent.3,v 1.17 2017/11/28 18:10:59 schwarze Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"     The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 5 2013 $
+.Dd $Mdocdate: November 28 2017 $
 .Dt GETNETENT 3
 .Os
 .Sh NAME
@@ -111,17 +111,25 @@ net address and type is found, or until
 .Dv EOF
 is encountered.
 Network numbers are supplied in host order.
+.Sh RETURN VALUES
+The
+.Fn getnetent ,
+.Fn getnetbyaddr ,
+and
+.Fn getnetbyname
+functions return
+.Dv NULL
+if the requested entry is not found.
 .Sh FILES
 .Bl -tag -width /etc/networks -compact
 .It Pa /etc/networks
 .El
-.Sh DIAGNOSTICS
-Null pointer (0) returned on
-.Dv EOF
-or error.
 .Sh SEE ALSO
 .Xr resolver 3 ,
 .Xr networks 5
+.Sh STANDARDS
+These functions conform to
+.St -p1003.1-2008 .
 .Sh HISTORY
 The
 .Fn getnetent ,