f

function wrapAll()
  local wrapped, names = {}, {}
  for _, name in ipairs(peripheral.getNames()) do
      table.insert(names, name)
  end
  for _, fn in ipairs(peripheral.getMethods(names[1])) do
    wrapped[fn] = function(...)
      local returns = {}
      for i = 1, #names do
        returns[i] = peripheral.call(names[i], fn, ...)
      end
      return returns
    end
  end
  return wrapped
end
a = peripheral.wrap(wrapAll())
a.setLampColor(0)