character control block (CCB)
A network control program data area within an adapter control block that contains current information on the physical operation of a data link and the data being communicated on that link.; 適配器控制塊內(nèi)的網(wǎng)絡(luò)控制程序數(shù)據(jù)區(qū)。它包括在一條數(shù)據(jù)鏈路上進(jìn)行物理操作的當(dāng)前 信息和在該鏈路上正在通信的數(shù)據(jù)。