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MEMCCPY(3P)		   POSIX Programmer's Manual		   MEMCCPY(3P)

PROLOG
       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the	 corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.

NAME
       memccpy — copy bytes in memory

SYNOPSIS
       #include <string.h>

       void *memccpy(void *restrict s1, const void *restrict s2,
	   int c, size_t n);

DESCRIPTION
       The memccpy() function shall copy bytes from memory area	 s2  into  s1,
       stopping after the first occurrence of byte c (converted to an unsigned
       char) is copied, or after n bytes are copied, whichever comes first. If
       copying takes place between objects that overlap, the behavior is unde‐
       fined.

RETURN VALUE
       The memccpy() function shall return a pointer to	 the  byte  after  the
       copy  of	 c  in s1, or a null pointer if c was not found in the first n
       bytes of s2.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       The memccpy() function does not check for the overflow of the receiving
       memory area.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       The Base Definitions volume of POSIX.1‐2008, <string.h>

COPYRIGHT
       Portions	 of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       --  Portable  Operating	System	Interface (POSIX), The Open Group Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal  and	 Electronics  Engineers,  Inc  and  The	 Open Group.  (This is
       POSIX.1-2008 with the 2013 Technical Corrigendum	 1  applied.)  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 original Standard can be obtained online
       at http://www.unix.org/online.html .

       Any typographical or formatting errors that appear  in  this  page  are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors,	 see  https://www.ker‐
       nel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group		     2013			   MEMCCPY(3P)
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