mirror of https://github.com/mkerrisk/man-pages
64 lines
1.5 KiB
Groff
64 lines
1.5 KiB
Groff
.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
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.\"
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.\" %%%LICENSE_START(GPLv2+_DOC_ONEPARA)
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.\" This is free documentation; you can redistribute it and/or
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.\" modify it under the terms of the GNU General Public License as
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.\" published by the Free Software Foundation; either version 2 of
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.\" the License, or (at your option) any later version.
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.\" %%%LICENSE_END
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.\"
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.\" References consulted:
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.\" GNU glibc-2 source code and manual
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.\" Dinkumware C library reference http://www.dinkumware.com/
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.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
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.\" ISO/IEC 9899:1999
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.\"
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.TH WMEMCPY 3 2013-11-11 "GNU" "Linux Programmer's Manual"
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.SH NAME
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wmemcpy \- copy an array of wide-characters
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.SH SYNOPSIS
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.nf
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.B #include <wchar.h>
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.sp
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.BI "wchar_t *wmemcpy(wchar_t *" dest ", const wchar_t *" src ", size_t " n );
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.fi
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.SH DESCRIPTION
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The
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.BR wmemcpy ()
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function is the wide-character equivalent of the
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.BR memcpy (3)
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function.
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It copies
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.I n
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wide characters from the array starting at
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.I src
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to the array starting at
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.IR dest .
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.PP
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The arrays may not overlap; use
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.BR wmemmove (3)
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to copy between overlapping
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arrays.
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.PP
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The programmer must ensure that there is room for at least
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.I n
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wide
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characters at
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.IR dest .
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.SH RETURN VALUE
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.BR wmemcpy ()
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returns
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.IR dest .
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.SH ATTRIBUTES
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.SS Multithreading (see pthreads(7))
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The
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.BR wmemcpy ()
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function is thread-safe.
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.SH CONFORMING TO
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C99.
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.SH SEE ALSO
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.BR memcpy (3),
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.BR wcscpy (3),
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.BR wmemmove (3),
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.BR wmempcpy (3)
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