This function requires a single command but a long request, as shown in Listing 6.

这个函数只需要一个命令，但是需要很长的请求，见清单6。

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Single-steps through instructions in the program. If this command is used when you reach a function call, the function is executed without stepping through the function instructions.

注意，当光标处不是一个有效的执行语句时此功能将不起作用。

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