sys前缀的意思

意思是，系统性的

The return codes for event producers are defined in sys/ahafs_evProds.h.事件生成器的返回码在 sys/ahafs_evProds.h 中定义。

Software may damage some system file such as TCPIP. Sys.软件可能破坏一些系统文件，如tcpip . sys。

Sys is a logical field that can be either yes or 是一个逻辑字段，其值可以为真或假。