1WMEMMOVE(3P)               POSIX Programmer's Manual              WMEMMOVE(3P)
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PROLOG

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

13       wmemmove — copy wide characters in memory with overlapping areas
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SYNOPSIS

16       #include <wchar.h>
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18       wchar_t *wmemmove(wchar_t *ws1, const wchar_t *ws2, size_t n);
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DESCRIPTION

21       The functionality described on this reference page is aligned with  the
22       ISO C  standard.  Any  conflict between the requirements described here
23       and the ISO C standard is unintentional. This  volume  of  POSIX.1‐2008
24       defers to the ISO C standard.
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26       The  wmemmove()  function  shall copy n wide characters from the object
27       pointed to by ws2 to the object pointed to by ws1.  Copying shall  take
28       place as if the n wide characters from the object pointed to by ws2 are
29       first copied into a temporary array of n wide characters that does  not
30       overlap the objects pointed to by ws1 or ws2, and then the n wide char‐
31       acters from the temporary array are copied into the object  pointed  to
32       by ws1.
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34       This  function  shall  not be affected by locale and all wchar_t values
35       shall be treated identically. The null wide character and wchar_t  val‐
36       ues  not  corresponding  to  valid characters shall not be treated spe‐
37       cially.
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39       If n is zero, the application shall ensure that ws1 and ws2  are  valid
40       pointers, and the function shall copy zero wide characters.
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RETURN VALUE

43       The wmemmove() function shall return the value of ws1.
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ERRORS

46       No errors are defined
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48       The following sections are informative.
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EXAMPLES

51       None.
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APPLICATION USAGE

54       None.
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RATIONALE

57       None.
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FUTURE DIRECTIONS

60       None.
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SEE ALSO

63       wmemchr(), wmemcmp(), wmemcpy(), wmemset()
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65       The Base Definitions volume of POSIX.1‐2008, <wchar.h>
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68       Portions  of  this text are reprinted and reproduced in electronic form
69       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
70       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
71       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
72       cal  and  Electronics  Engineers,  Inc  and  The  Open Group.  (This is
73       POSIX.1-2008 with the 2013 Technical Corrigendum  1  applied.)  In  the
74       event of any discrepancy between this version and the original IEEE and
75       The Open Group Standard, the original IEEE and The Open Group  Standard
76       is  the  referee document. The original Standard can be obtained online
77       at http://www.unix.org/online.html .
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79       Any typographical or formatting errors that appear  in  this  page  are
80       most likely to have been introduced during the conversion of the source
81       files to man page format. To report such errors,  see  https://www.ker‐
82       nel.org/doc/man-pages/reporting_bugs.html .
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86IEEE/The Open Group                  2013                         WMEMMOVE(3P)
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