字符设备 Character Device ; char device ; cdev ; I
字符设备文件 character device ; Character special file ; type ; CHR
调符设备 conditioning equipment
块或字符设备 Block and Character Devices
字符设备驱动 struct cdev i_cdev
字符标识识别设备 Character and recognition device
字符交换设备 [计] character switching equipment
代表字符设备文件 class chr_file
字符显示设备 character display equipment ; [计] character display device
字符识别设备 character recognition device
描述符可以表示到设备、管道或套接字的连接，这些连接用于与另一个进程或普通文件进行通信。
Descriptors might represent a connection to a device, pipe, or a socket for communicating with another process or to a normal file.
设备名称是配置在设备上的标识符。
并且一台usb设备可能还有字符串描述符以提供像厂商名、设备名或者序列号这样的附加信息。
Furthermore, a USB device might also have string descriptors to provide additional information such as vendor name, device name, or serial Numbers.
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