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wmemmove: kopírovat široké znaky do paměti s překrývajícími se oblastmi

Originální popis anglicky: wmemmove - copy wide characters in memory with overlapping areas

Návod, kniha: POSIX Programmer's Manual

STRUČNĚ

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

POPIS / INSTRUKCE

The wmemmove() function shall copy n wide characters from the object pointed to by ws2 to the object pointed to by ws1. Copying shall take place as if the n wide characters from the object pointed to by ws2 are first copied into a temporary array of n wide characters that does not overlap the objects pointed to by ws1 or ws2, and then the n wide characters from the temporary array are copied into the object pointed to by ws1.
This function shall not be affected by locale and all wchar_t values shall be treated identically. The null wide character and wchar_t values not corresponding to valid characters shall not be treated specially.
If n is zero, the application shall ensure that ws1 and ws2 are valid pointers, and the function shall copy zero wide characters.

NÁVRATOVÁ HODNOTA

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

CHYBY / ERRORY

No errors are defined
The following sections are informative.

PŘÍKLADY POUŽITÍ

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SOUVISEJÍCÍ

wmemchr() , wmemcmp() , wmemcpy() , wmemset() , 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 original Standard can be obtained online at http://www.opengroup.org/unix/online.html .
2003 IEEE/The Open Group
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