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NAME
       wcsncpy - copy part of a wide-character string


SYNOPSIS
       #include <wchar.h>

       wchar_t *wcsncpy(wchar_t *restrict ws1, const wchar_t *restrict ws2,
              size_t n);


DESCRIPTION
       The  wcsncpy()  function  shall  copy not more than n wide-character codes (wide-character
       codes that follow a null wide-character code are not copied) from the array pointed to  by
       ws2  to  the array pointed to by ws1. If copying takes place between objects that overlap,
       the behavior is undefined.

       If the array pointed to by ws2 is a wide-character string that is  shorter  than  n  wide-
       character  codes,  null  wide-character  codes  shall be appended to the copy in the array
       pointed to by ws1, until n wide-character codes in all are written.


RETURN VALUE
       The wcsncpy() function shall return ws1; no return value is reserved to indicate an error.


ERRORS
       No errors are defined.

       The following sections are informative.


EXAMPLES
       None.


APPLICATION USAGE
       If there is no null wide-character code in the first n wide-character codes of  the  array
       pointed to by ws2, the result is not null-terminated.


RATIONALE
       None.


FUTURE DIRECTIONS
       None.


SEE ALSO
       wcscpy() , the Base Definitions volume of IEEE Std 1003.1-2001, <wchar.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
       original Standard can be obtained online at http://www.opengroup.org/unix/online.html .