The strerror() function isn't necessarily thread-safe; for unknown values, it formats an error message in a static buffer and returns a pointer to that buffer.

strerror()函数并没有必要是线程安全的；对于未知值，该函数在静态缓冲区中设置错误消息的格式并将指针返回到该缓冲区。

youdao

The strerror() function isn't necessarily thread-safe; for unknown values, it formats an error message in a static buffer and returns a pointer to that buffer.

strerror()函数并没有必要是线程安全的；对于未知值，该函数在静态缓冲区中设置错误消息的格式并将指针返回到该缓冲区。

youdao