freebsd man page for bcopy

BCOPY(3)						   BSD Library Functions Manual 						  BCOPY(3)

NAME
     bcopy -- copy byte string

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <strings.h>

     void
     bcopy(const void *src, void *dst, size_t len);

DESCRIPTION
     The bcopy() function copies len bytes from string src to string dst.  The two strings may overlap.  If len is zero, no bytes are copied.

SEE ALSO
     memccpy(3), memcpy(3), memmove(3), strcpy(3), strncpy(3)

HISTORY
     A bcopy() function appeared in 4.2BSD.  Its prototype existed previously in <string.h> before it was moved to <strings.h> for IEEE Std
     1003.1-2001 (``POSIX.1'') compliance.

BSD
								   June 4, 1993 							       BSD