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1.\" Copyright (c) 1990, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" Chris Torek.
6.\"
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8.\" modification, are permitted provided that the following conditions
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19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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31.\" @(#)bcopy.3 8.1 (Berkeley) 6/4/93
32.\" $FreeBSD: src/lib/libc/string/bcopy.3,v 1.10 2007/01/09 00:28:11 imp Exp $
33.\" $DragonFly: src/lib/libc/string/bcopy.3,v 1.2 2003/06/17 04:26:46 dillon Exp $
34.\"
35.Dd June 4, 1993
36.Dt BCOPY 3
37.Os
38.Sh NAME
39.Nm bcopy
40.Nd copy byte string
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
44.In strings.h
45.Ft void
46.Fn bcopy "const void *src" "void *dst" "size_t len"
47.Sh DESCRIPTION
48The
49.Fn bcopy
50function
51copies
52.Fa len
53bytes from string
54.Fa src
55to string
56.Fa dst .
57The two strings may overlap.
58If
59.Fa len
60is zero, no bytes are copied.
61.Sh SEE ALSO
62.Xr memccpy 3 ,
63.Xr memcpy 3 ,
64.Xr memmove 3 ,
65.Xr strcpy 3 ,
66.Xr strncpy 3
67.Sh HISTORY
68A
69.Fn bcopy
70function appeared in
71.Bx 4.2 .
72Its prototype existed previously in
73.In string.h
74before it was moved to
75.In strings.h
76for
77.St -p1003.1-2001
78compliance.