The file pointer cannot be set on the specified device or file. 无法在指定的设备或文件上设置文件指针(FP)。
This script begins by opening the connection to the Arduino in a file pointer for reading. 脚本首先在一个文件指针(FP)内打开对Arduino的连接,以便读取它。
This is similar to the FILE pointer for a file stream in standard C. 这类似于在标准C中为文件流创建FILE指针。
In this code, you start by declaring a file pointer to standard input so that you can get interactive information from the keyboard during the spell-check process. 在这段代码中,您首先要为标准输入声明一个文件指针(FP),以便您能够在拼写检查过程中从键盘获得交互式信息。
The DIR pointer returned by opendir () is similar to the FILE pointer returned by fopen (); it's an OS-specific object used to track the directory stream, and you should ignore its contents. opendir()返回的DIR指针与fopen()返回的FILE指针类似,它是一个用于跟踪目录流的操作系统特定的对象,您应该忽略其具体内容。