控制字符 [计] control character ; operational character ; instruction character ; cntrl

设备控制字符 [计] device control character

格式控制字符 format control character ; format effectors ; format effector character ; effector

通信控制字符 [通信] communication control character

托架控制字符 carriage control character

是否控制字符 iscntrl

准确度控制字符 Accuracy Control Character

线路控制字符 line control character

错误控制字符 error control character

印制字符 [计] printed character