这个路径可视为是一个安全的本地文件系统。
This path is also considered to be a secure local file system.
因为客户机可能会发送一个文件路径、URL或图像本身，所以第一步是获得图像的当前状态和所需的参数，如清单10所示。
Because the client may send a file path, a URL, or the image itself, the first step is to get the image's current state and the needed parameters, as shown in Listing 10.
清单4中的代码首先定义一个数组，其中第一个元素是要执行的二进制文件的路径，其余元素充当命令行参数。
The code in Listing 4 first defines an array, with the first element being the path to the binary that is to be executed, and the remaining elements acting as the command-line parameters.
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