-.\" $OpenBSD: printf.3,v 1.72 2015/02/28 21:51:57 bentley Exp $
+.\" $OpenBSD: printf.3,v 1.73 2015/06/03 16:26:04 millert Exp $
.\"
.\" Copyright (c) 1990, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" @(#)printf.3 8.1 (Berkeley) 6/4/93
.\"
-.Dd $Mdocdate: February 28 2015 $
+.Dd $Mdocdate: June 3 2015 $
.Dt PRINTF 3
.Os
.Sh NAME
.Fn asprintf
family of interfaces instead.
Unfortunately, the
-.Fn snprintf
-interface is not available on older
-systems and the
.Fn asprintf
-interface is not portable.
+interface is not available on all systems as it is not part of
+.St -isoC-99 .
.Pp
It is important never to pass a string with user-supplied data as a
format without using