Function kernel32::FindFirstFileExW

pub unsafe extern "system" fn FindFirstFileExW(
    lpFileName: LPCWSTR, 
    fInfoLevelId: FINDEX_INFO_LEVELS, 
    lpFindFileData: LPVOID, 
    fSearchOp: FINDEX_SEARCH_OPS, 
    lpSearchFilter: LPVOID, 
    dwAdditionalFlags: DWORD
) -> HANDLE