Function RegEnumKeyExW
pub unsafe fn RegEnumKeyExW(
hkey: HKEY,
dwindex: u32,
lpname: Option<PWSTR>,
lpcchname: *mut u32,
lpreserved: Option<*const u32>,
lpclass: Option<PWSTR>,
lpcchclass: Option<*mut u32>,
lpftlastwritetime: Option<*mut FILETIME>,
) -> WIN32_ERROR