xref: /freebsd/lib/libc/string/bcopy.3 (revision 6780ab54325a71e7e70112b11657973edde8655e)
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35.\"     @(#)bcopy.3	8.1 (Berkeley) 6/4/93
36.\" $FreeBSD$
37.\"
38.Dd June 4, 1993
39.Dt BCOPY 3
40.Os
41.Sh NAME
42.Nm bcopy
43.Nd copy byte string
44.Sh LIBRARY
45.Lb libc
46.Sh SYNOPSIS
47.In strings.h
48.Ft void
49.Fn bcopy "const void *src" "void *dst" "size_t len"
50.Sh DESCRIPTION
51The
52.Fn bcopy
53function
54copies
55.Fa len
56bytes from string
57.Fa src
58to string
59.Fa dst .
60The two strings may overlap.
61If
62.Fa len
63is zero, no bytes are copied.
64.Sh SEE ALSO
65.Xr memccpy 3 ,
66.Xr memcpy 3 ,
67.Xr memmove 3 ,
68.Xr strcpy 3 ,
69.Xr strncpy 3
70.Sh HISTORY
71A
72.Fn bcopy
73function appeared in
74.Bx 4.2 .
75Its prototype existed previously in
76.Aq Pa string.h
77before it was moved to
78.Aq Pa strings.h
79for
80.St -p1003.1-2001
81compliance.
82