endnet_api

function wrapModem()
    local modemlist = peripheral.find("modem")
    if modemlist ~= nil then
        return modemlist[1]
    else
        print("no modem attached")
    end
end

function listen()
    local event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message")
    repeat
        event, side, channel, replyChannel, message, distance = os.pullEvent("modem_message")
    until event == true
    return message, replyChannel
end