其他三个用于执行调用和解析响应。
The others are there for performing the call and parsing the response.
NULL绑定句柄表示在本地执行调用。
A NULL binding handle indicates that the call is to be executed locally.
执行调用的程序——静态与动态。
But as soon as the most recently called function finishes executing, you have to take that tray off the stack in order to get at the previous function's memory, and once he's done executing, you have to take that one off and then what's left well then main.
但是,一旦新的调用函数结束了执行,你必须从堆中把托盘拿掉,用来获得先前函数的内存,一旦他完成执行,你必须把那一块拿下来,然后剩下的是main函数。
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