From 0527d29da443886d92e9a418180c5b25a5f8d270 Mon Sep 17 00:00:00 2001
From: deraadt <>
Date: Wed, 18 Oct 1995 08:42:23 +0000
Subject: initial import of NetBSD tree

---
 src/lib/libc/string/memcpy.3 | 84 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/lib/libc/string/memcpy.3

(limited to 'src/lib/libc/string/memcpy.3')

diff --git a/src/lib/libc/string/memcpy.3 b/src/lib/libc/string/memcpy.3
new file mode 100644
index 0000000000..3f4bb643c9
--- /dev/null
+++ b/src/lib/libc/string/memcpy.3
@@ -0,0 +1,84 @@
+.\" Copyright (c) 1990, 1991 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Chris Torek and the American National Standards Committee X3,
+.\" on Information Processing Systems.
+.\"
+.\" 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.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+.\"
+.\"     from: @(#)memcpy.3	5.5 (Berkeley) 6/29/91
+.\"	$Id: memcpy.3,v 1.1.1.1 1995/10/18 08:42:21 deraadt Exp $
+.\"
+.Dd June 29, 1991
+.Dt MEMCPY 3
+.Os
+.Sh NAME
+.Nm memcpy
+.Nd copy byte string
+.Sh SYNOPSIS
+.Fd #include <string.h>
+.Ft void *
+.Fn memcpy "void *dst" "const void *src" "size_t len"
+.Sh DESCRIPTION
+The
+.Fn memcpy
+function
+copies
+.Fa len
+bytes from string
+.Fa src
+to string
+.Fa dst .
+.Sh RETURN VALUES
+The
+.Fn memcpy
+function
+returns the original value of
+.Fa dst .
+.Sh SEE ALSO
+.Xr bcopy 3 ,
+.Xr memccpy 3 ,
+.Xr memmove 3 ,
+.Xr strcpy 3
+.Sh STANDARDS
+The
+.Fn memcpy
+function
+conforms to
+.St -ansiC .
+.Sh BUGS
+In this implementation
+.Fn memcpy
+is implemented using
+.Xr bcopy 3 ,
+and therefore the strings may overlap.
+On other systems, copying overlapping strings may produce surprises.
+A simpler solution is to not use
+.Fn memcpy .
-- 
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