mirror of https://github.com/mkerrisk/man-pages
69 lines
2.3 KiB
Plaintext
69 lines
2.3 KiB
Plaintext
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.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "WMEMMOVE" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" wmemmove
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.SH NAME
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wmemmove \- copy wide characters in memory with overlapping areas
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.SH SYNOPSIS
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.LP
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\fB#include <wchar.h>
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.br
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.sp
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wchar_t *wmemmove(wchar_t *\fP\fIws1\fP\fB, const wchar_t *\fP\fIws2\fP\fB,
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size_t\fP \fIn\fP\fB);
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.br
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\fP
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.SH DESCRIPTION
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.LP
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The \fIwmemmove\fP() function shall copy \fIn\fP wide characters from
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the object pointed to by \fIws2\fP to the object
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pointed to by \fIws1\fP. Copying shall take place as if the \fIn\fP
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wide characters from the object pointed to by \fIws2\fP are
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first copied into a temporary array of \fIn\fP wide characters that
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does not overlap the objects pointed to by \fIws1\fP or
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\fIws2\fP, and then the \fIn\fP wide characters from the temporary
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array are copied into the object pointed to by \fIws1\fP.
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.LP
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This function shall not be affected by locale and all \fBwchar_t\fP
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values shall be treated identically. The null wide
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character and \fBwchar_t\fP values not corresponding to valid characters
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shall not be treated specially.
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.LP
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If \fIn\fP is zero, the application shall ensure that \fIws1\fP and
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\fIws2\fP are valid pointers, and the function shall copy
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zero wide characters.
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.SH RETURN VALUE
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.LP
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The \fIwmemmove\fP() function shall return the value of \fIws1\fP.
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.SH ERRORS
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.LP
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No errors are defined
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.LP
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\fIThe following sections are informative.\fP
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.SH EXAMPLES
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.LP
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None.
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.SH APPLICATION USAGE
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.LP
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None.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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\fIwmemchr\fP() , \fIwmemcmp\fP() , \fIwmemcpy\fP() , \fIwmemset\fP()
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, the Base Definitions volume of
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IEEE\ Std\ 1003.1-2001, \fI<wchar.h>\fP
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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