入出力文

iost = messagest / dspyst ;

メッセージ

構文

   messagest = buildmes / demand;
      buildmest = startmes / appendmes / sendmes;
        startmes = "start" "message";
        appendmes = "append" "message" "byute" exp;
        sendmes = "send" "message";
     demandmes = "demand" "Message";
mesinfo =
   "get" "message" "byte"
   "message1" "length" /
   "message" empty: '?;
mesdecl = "message" "bytes" "are" ,byn "bits" long" '..