在查找的过程中需要使用导入的符号名称。
The symbolic name of the import is needed to perform the look-up.
另外，目前的UNIX系统并没有使用神秘的符号和数字，而是使用tput按名称或用途查找和产生转义。
Further, rather than use arcane symbols and Numbers, modern UNIX systems use tput to look up and emit escapes by name or purpose.
代码示例是相当琐碎的，但使用诸如eclipse之类的集成开发环境(IDE)可使打开系统头文件、查找特定符号等操作变得更容易。
The code examples are fairly trivial, but using an integrated development environment (IDE), such as Eclipse, makes it easier for you to open system headers, find specific symbols, and so forth.
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