socketpair.2: Clarify that 'sv' is left unchanged in the event of an error
See also http://austingroupbugs.net/view.php?id=483.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
diff --git a/man2/socketpair.2 b/man2/socketpair.2
index 529d145..3a65282 100644
--- a/man2/socketpair.2
+++ b/man2/socketpair.2
@@ -68,9 +68,11 @@
The two sockets are indistinguishable.
.SH RETURN VALUE
On success, zero is returned.
-On error, \-1 is returned, and
+On error, \-1 is returned,
.I errno
-is set appropriately.
+is set appropriately, and
+.I sv
+is left unchanged
.PP
On Linux (and other systems),
.BR socketpair ()
