function is the wide-character equivalent of the
It copies the wide-character string pointed to by
including the terminating null wide character (L'\0'),
to the array pointed to by
The strings may not overlap.
The programmer must ensure that there
is room for at least
wide characters at
returns a pointer to the end of the wide-character string
that is, a pointer to the terminating null wide character.
For an explanation of the terms used in this section, see
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