wcpcpy - copy a wide-character string, returning a pointer to its end
The wcpcpy() function is the wide-character equivalent of the stpcpy(3) function. It copies the wide-character string pointed to by
src, 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
wcslen(src)+1 wide characters at
wcpcpy() returns a pointer to the end of the wide-character string
dest, that is, a pointer to the terminating null wide character.
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