Errno.h is needed for the declaration of errno, the global system call error number variable (more on that below).

h是声明errno所需要的，errno是全局系统调用错误号变量(下面会有更多介绍)。

youdao

And the error that Lykken and Tellegen and many others make " when they generalize and say "change is not possible" " is what I call "the error of the average".

像Lykken和Tellegen那样，人们常错误地,概括出一个结论，“变化是不可能的“,我称之为“大众错误。

哈佛公开课 - 幸福课课程节选

The idea that thoughts have locations, he says, in the same sense that say pebbles have locations, is what philosophers would call a category error.

BBC: Brain research's 'golden age'

Frantically he called every number he could remember but every call ended in an error message.

CNN: How a 'scrawny asthmatic' climbed the world's mountains

She made one error, cutting off the call briefly by hitting a wrong button, but this might have been because it was a test in which I was at one point using a phone also listed for my wife as a contact.

WSJ: A Free Service to Store Medical Data in Case of an Emergency