Here's an Eclipse tip: Select errno in your code, then press the F3 key (or right-click on errno, then choose Open Declaration from the context menu).

以下是Eclipse的使用技巧：在代码中选择errno，然后按下f3键(或右键单击errno，然后从上下文菜单中选择“Open Declaration”)。

youdao

This enables editor features such as content assist and open declaration to find even more information that has been possible in previous releases," Schaefer said.

这将使编辑器功能（例如内容帮助和打开声明）可以找到先前版本中可能已经有的更多信息”。

youdao

You will still be able to view the source code in the binary projects and do most of the productivity operations, such as Open Declaration (F3), that you have come to depend on often.

您仍旧能够看到二进制项目中的源代码，并且可以进行大部分操作，例如您常常依赖的Open Declaration (F 3)。

youdao

On the Democratic side, like in Iowa, it's a much more social event where there's a lot more horse swapping and people meeting in groups and people having an open declaration of their preference for a candidate and standing up in front of their friends and co-workers and neighbors to declare themselves for the candidate they prefer.

NPR: Nevada Caucuses, S.C. Votes

They will also endorse a high level declaration of principles around open government, which is voluntary and non-binding, and will express our commitment to exemplifying best practice on transparency, accountability and civic engagement.

FORBES: Open Government Partnership: An Interview with Maria Otero, Under Secretary of State

Pettini himself conceded 24 runs from just five deliveries, as the hosts were fed runs to hasten the declaration, before promoting himself to open the Essex batting as a pinch-hitter.

BBC: Cook and Bopara see Essex to win