From e004b9b14e49031e8626d9e7845f7a93faa2816c Mon Sep 17 00:00:00 2001
From: guenther <>
Date: Mon, 21 Apr 2014 08:46:59 +0000
Subject: [PATCH] Correctly document the return value of getenv(3)

From Ben Cornett (ben (at) lantern.is)
---
 src/lib/libc/stdlib/getenv.3 | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/lib/libc/stdlib/getenv.3 b/src/lib/libc/stdlib/getenv.3
index 5239d1b0..23335595 100644
--- a/src/lib/libc/stdlib/getenv.3
+++ b/src/lib/libc/stdlib/getenv.3
@@ -29,9 +29,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: getenv.3,v 1.19 2013/06/05 03:39:23 tedu Exp $
+.\"	$OpenBSD: getenv.3,v 1.20 2014/04/21 08:46:59 guenther Exp $
 .\"
-.Dd $Mdocdate: June 5 2013 $
+.Dd $Mdocdate: April 21 2014 $
 .Dt GETENV 3
 .Os
 .Sh NAME
@@ -102,11 +102,13 @@ function deletes all instances of the variable name pointed to by
 .Fa name
 from the list.
 .Sh RETURN VALUES
-These functions
-return zero if successful; otherwise the global variable
-.Va errno
-is set to indicate the error and \-1 is returned.
+.Rv -std putenv setenv unsetenv
 .Pp
+The
+.Fn getenv
+function returns a pointer to the requested value, or
+.Dv NULL
+if it could not be found.
 If
 .Fn getenv
 is successful, the string returned should be considered read-only.