<linux/erro.h>是/include/linux/erro.h吗?
时间: 2023-09-21 17:06:38 浏览: 44
是的,一般情况下,Linux内核中的头文件位于"/usr/include/linux"目录下。而对于特定的Linux发行版,例如Ubuntu,头文件的位置可能会有所不同。但是如果你在系统中找不到"/usr/include/linux/error.h",你可以尝试查看其他可能的位置,例如"/usr/src/linux/include/linux/error.h"或者"/usr/local/include/linux/error.h"。
相关问题
<linux/can.h>
The <linux/can.h> header file contains definitions for the CAN (Controller Area Network) protocol used in Linux systems. It includes structures and functions used for communication with CAN devices, as well as constants and macros used to configure and control the CAN network.
Some of the key structures defined in <linux/can.h> include:
- can_frame: A structure representing a CAN message frame, including the ID, data, and control bits.
- can_filter: A structure representing a CAN filter, used to specify which messages should be received by a CAN device.
- can_berr_counter: A structure representing the error counters for a CAN device.
Some of the key functions defined in <linux/can.h> include:
- socket(): Creates a CAN socket for communication with a CAN device.
- bind(): Associates a CAN socket with a specific CAN device or network interface.
- setsockopt(): Sets various options for a CAN socket, such as the receive buffer size or the filter settings.
- sendto(): Sends a CAN message through a CAN socket.
- recvfrom(): Receives a CAN message from a CAN socket.
Overall, <linux/can.h> provides a comprehensive set of tools for working with CAN networks in Linux systems.
fatal error: linux/regex.h: No such file or directory #include <linux/regex.h>
这个错误是因为你的代码中包含了 `<linux/regex.h>` 头文件,但是该头文件在你的系统中不存在。
`<linux/regex.h>` 是 Linux 内核中的正则表达式头文件,而不是标准 C 库的一部分。如果你想使用正则表达式,可以使用标准 C 库中的 `<regex.h>` 头文件,它提供了与 POSIX.2 标准兼容的正则表达式功能。
如果你确实需要使用 `<linux/regex.h>` 头文件,那么你需要检查你的系统是否支持该头文件。如果你使用的是 Linux 系统,可能需要安装相应的开发包,以便获取该头文件。如果你正在使用其他操作系统,则需要查找类似于 `<linux/regex.h>` 的头文件或库,并将其添加到你的项目中。
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