Copies a specified number of wide characters from one wide-
    character array to another.
    Format
      #include  <wchar.h>
      wchar_t wmemcpy  (wchar_t *dest, const wchar_t *source, size_t n);
1 – Function Variants
    The wmemcpy function has variants named _wmemcpy32 and _wmemcpy64
    for use with 32-bit and 64-bit pointer sizes, respectively.
2 – Arguments
 dest
    A pointer to the destination array.
 source
    A pointer to the source array.
 n
    The number of wide characters to be copied.
3 – Description
    The wmemcpy function copies n wide characters from the array
    pointed to by source to the array pointed to by dest.
4 – Return Value
x The value of dest.