Copy a wide-character string
#include <wchar.h> wchar_t *wcscpy(wchar_t *dest, const wchar_t *src);
The wcscpy() function is the wide-character equivalent of the strcpy(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 dest.
The strings may not overlap.
The programmer must ensure that there is room for at least wcslen(src)+1 wide characters at dest.
wcscpy() returns dest.
The wcscpy() function is thread-safe.
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