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.\" 7.\" %sccs.include.redist.man% 8.\" 9.\" @(#)bcopy.3 8.1 (Berkeley) 06/04/93 10.\" 11.Dd 12.Dt BCOPY 3 13.Os BSD 4.2 14.Sh NAME 15.Nm bcopy 16.Nd copy byte string 17.Sh SYNOPSIS 18.Fd #include <string.h> 19.Ft void 20.Fn bcopy "const void *src" "void *dst" "size_t len" 21.Sh DESCRIPTION 22The 23.Fn bcopy 24function 25copies 26.Fa len 27bytes from string 28.Fa src 29to string 30.Fa dst . 31The two strings may overlap. 32If 33.Fa len 34is zero, no bytes are copied. 35.Sh SEE ALSO 36.Xr memccpy 3 , 37.Xr memcpy 3 , 38.Xr memmove 3 , 39.Xr strcpy 3 , 40.Xr strncpy 3 41.Sh HISTORY 42A 43.Fn bcopy 44function appeared in 45.Bx 4.2 . 46