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Linux 2.6 - man page for bcopy (linux section 3posix)

BCOPY(P)			    POSIX Programmer's Manual				 BCOPY(P)

NAME
       bcopy - memory operations (LEGACY)

SYNOPSIS
       #include <strings.h>

       void bcopy(const void *s1, void *s2, size_t n);

DESCRIPTION
       The bcopy() function shall copy n bytes from the area pointed to by s1 to the area pointed
       to by s2.

       The bytes are copied correctly even if the area pointed to by s1 overlaps the area pointed
       to by s2.

RETURN VALUE
       The bcopy() function shall not return a value.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       The memmove() function is preferred over this function.

       The following are approximately equivalent (note the order of the arguments):

	      bcopy(s1,s2,n) ~= memmove(s2,s1,n)

       For maximum portability, it is recommended to replace the function call to bcopy() as fol-
       lows:

	      #define bcopy(b1,b2,len) (memmove((b2), (b1), (len)), (void) 0)

RATIONALE
       None.

FUTURE DIRECTIONS
       This function may be withdrawn in a future version.

SEE ALSO
       memmove() , the Base Definitions volume of IEEE Std 1003.1-2001, <strings.h>

COPYRIGHT
       Portions of this text are reprinted and	reproduced  in	electronic  form  from	IEEE  Std
       1003.1,	2003  Edition,	Standard  for Information Technology -- Portable Operating System
       Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003  by
       the  Institute  of  Electrical  and  Electronics Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE  and  The  Open  Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003					 BCOPY(P)


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