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.\" $OpenBSD: getsn.9,v 1.2 2018/04/25 11:15:58 dlg Exp $
.\"
.\" Copyright (c) 2002, 2003 CubeSoft Communications, Inc.
.\" <http://www.csoft.org>
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
.\" (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
.\" STRICT LIABILITY, OR TORT (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: April 25 2018 $
.Dt GETSN 9
.Os
.Sh NAME
.Nm getsn
.Nd read user input from the console
.Sh SYNOPSIS
.In lib/libkern/libkern.h
.Ft size_t
.Fn getsn "char *cp" "size_t size"
.Sh DESCRIPTION
The
.Fn getsn
function reads user input from the console and returns on newline.
The result is written into
.Fa cp ,
which is assumed to be
.Fa size
bytes long.
.Sh RETURN VALUES
.Fn getsn
returns the total length of the string it tried to create.
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