Function winapi::um::winspool::EnumPrintersW

pub unsafe extern "system" fn EnumPrintersW(
    Flags: DWORD, 
    Name: LPWSTR, 
    Level: DWORD, 
    pPrinterEnum: LPBYTE, 
    cbBuf: DWORD, 
    pcbNeeded: LPDWORD, 
    pcReturned: LPDWORD
) -> BOOL