Function SymSrvGetFileIndexStringW 

pub unsafe fn SymSrvGetFileIndexStringW<P1, P2>(
    hprocess: HANDLE,
    srvpath: P1,
    file: P2,
    index: &mut [u16],
    flags: u32,
) -> Result<()>
where
    P1: Param<PCWSTR>,
    P2: Param<PCWSTR>,