shmaddr is a pointer, so use NULL instead 0f

diff --git a/lib/libc/sys/shmat.2 b/lib/libc/sys/shmat.2
index ba90ab3..b7f237e 100644 (file)
--- a/lib/libc/sys/shmat.2
+++ b/lib/libc/sys/shmat.2
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: shmat.2,v 1.16 2014/11/15 22:19:53 guenther Exp $
+.\"    $OpenBSD: shmat.2,v 1.17 2022/06/16 13:54:39 deraadt Exp $
 .\"    $NetBSD: shmat.2,v 1.2 1997/03/27 08:20:38 mikel Exp $
 .\"
 .\" Copyright (c) 1995 Frank van der Linden
@@ -30,7 +30,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"/
-.Dd $Mdocdate: November 15 2014 $
+.Dd $Mdocdate: June 16 2022 $
 .Dt SHMAT 2
 .Os
 .Sh NAME
@@ -51,7 +51,7 @@ into the address space of the calling process.
 The address at which the segment is mapped is determined by the
 .Fa shmaddr
 parameter.
-If it is equal to 0, the system will pick an address itself.
+If it is equal to NULL, the system will pick an address itself.
 Otherwise, an attempt is made to map the shared memory segment at the
 address
 .Fa shmaddr