Function winapi::um::winuser::ToUnicodeEx

pub unsafe extern "system" fn ToUnicodeEx(
    wVirtKey: UINT, 
    wScanCode: UINT, 
    lpKeyState: *const BYTE, 
    pwszBuff: LPWSTR, 
    cchBuff: c_int, 
    wFlags: UINT, 
    dwhkl: HKL
) -> c_int