4Dランゲージ コマンド 通信バージョン: 20 R10 BETA 通信GET SERIAL PORT MAPPING ( numArray ; nameArray ) RECEIVE BUFFER ( receiveVar ) RECEIVE PACKET ( {docRef ;} receiveVar ; stopChar )RECEIVE PACKET ( {docRef ;} receiveVar ; numBytes ) RECEIVE RECORD {( aTable )} RECEIVE VARIABLE ( variable ) SEND PACKET ( {DocRef ;} packet ) SEND RECORD {( aTable )} SEND VARIABLE ( variable ) SET CHANNEL ( port ; settings ) SET CHANNEL ( operation ; document ) SET TIMEOUT ( seconds ) [USE CHARACTER SET ( map