string/FreeBSD/bcopy.3

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