Linux 2.6 - man page for wcsncpy (linux section 3posix)
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WCSNCPY(P) POSIX Programmer's Manual WCSNCPY(P)
wcsncpy - copy part of a wide-character string
wchar_t *wcsncpy(wchar_t *restrict ws1, const wchar_t *restrict ws2,
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.
The wcsncpy() function shall return ws1; no return value is reserved to indicate an error.
No errors are defined.
The following sections are informative.
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.
wcscpy() , the Base Definitions volume of IEEE Std 1003.1-2001, <wchar.h>
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 WCSNCPY(P)
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