wmemset - fill an array of wide-characters with a constant wide character
wchar_t *wmemset(wchar_t *wcs, wchar_t wc, size_t n);
The wmemset() function is the wide-character equivalent of the
memset(3) function. It fills the array of n wide-characters
starting at wcs with n copies of the wide character wc.
wmemset() returns wcs.
For an explanation of the terms used in this section, see attributes(7).
POSIX.1-2001, POSIX.1-2008, C99.
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