WCSNCPY
Section: POSIX Programmer's Manual (P)
Updated: 2003
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 .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- EXAMPLES
-
- APPLICATION USAGE
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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