它先将您的字符串参数写至标准错误(提供它用于定制消息)，接下来写入一个冒号和一个空格，然后是系统错误消息，后面是新的一行。
It writes your string argument to stderr (standard error), followed by a colon and a space, then the system error message followed by a newline.
很多可安装驱动程序都处理DRV_OPEN消息的第二个参数，在处理过程中，给与系统和应用程序在打开驱动实例时给驱动程序发送附加信息的手段。
Many installable drivers process the second parameter of the DRV_OPEN message, giving the system and applications the means to send additional information to the driver when opening an instance.
FPS调度器和TT - FPS调度器分别管理节点根据FPS和TT - FPS调度算法已规划的系统参数和消息参数完成消息的可靠传输。
FPS and TT-FPS scheduler separately manages CAN nodes to transfer messages according to the system and message parameter layouts, which are planned by FPS and TT-FPS algorithm.
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