Think of this as a specialized version of the C library function select, but for DMA transfers.

可以把它看作C库函数select的特殊版本，但是针对的是DMA传输。

youdao

To Invoke an Application-Supplied Algorithm The C runtime library function qsort sorts an array of objects, but you must supply the function that compares objects.

调用应用程序提供的算法：C运行时库函数qsort 排序对象数组，但你必须提供比较函数。

youdao

To Invoke an Application-Supplied Algorithm The C runtime library function qsort sorts an array of objects, but you must supply the function that compares objects.

调用应用程序提供的算法：C运行时库函数qsort 排序对象数组，但你必须提供比较函数。

youdao