Therefore, the header file should include the prototype of the function and also a dummy function definition.

因此，头文件应该包含函数的原型和一个虚拟的函数定义。

youdao

I will also create a 100mb dummy data file for the purposes of this test.

我还将创建一个100 MB虚拟数据文件，以供测试之用。

youdao

I added three dummy menu items: File, Edit, and View.

我添加了三个虚拟菜单项：File、Edit和View。

youdao