string/bcopy.3

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  35 .\"     @(#)bcopy.3     8.1 (Berkeley) 6/4/93
  36 .\" $FreeBSD: src/lib/libc/string/bcopy.3,v 1.9 2003/09/08 19:57:15 ru Exp $
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  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 *s1" "void *s2" "size_t n"
  50 .Sh DESCRIPTION
  51 The
  52 .Fn bcopy
  53 function
  54 copies
  55 .Fa n
  56 bytes from string
  57 .Fa s1
  58 to string
  59 .Fa s2 .
  60 The two strings may overlap.
  61 If
  62 .Fa n
  63 is 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
  71 A
  72 .Fn bcopy
  73 function appeared in
  74 .Bx 4.2 .
  75 Its prototype existed previously in
  76 .In string.h
  77 before it was moved to
  78 .In strings.h
  79 for
  80 .St -p1003.1-2001
  81 compliance.