-.\" $OpenBSD: strlen.3,v 1.13 2014/12/09 14:41:00 jmc Exp $
+.\" $OpenBSD: strlen.3,v 1.14 2022/07/31 14:50:32 jsg Exp $
.\"
.\" Copyright (c) 1990, 1991 The Regents of the University of California.
.\" All rights reserved.
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd $Mdocdate: December 9 2014 $
+.Dd $Mdocdate: July 31 2022 $
.Dt STRLEN 3
.Os
.Sh NAME
.Sh HISTORY
The
.Fn strlen
-function first appeared in the Programmer's Workbench (PWB/UNIX)
-and was ported to
-.At v7 .
+function first appeared in
+.At v6 .
The
.Fn strnlen
function appeared in glibc 2.0