Note that -f is the input field separator defined by the predefined variable FS.

注意- F是由预先定义的FS变量所定义的输入域分隔符。

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The term "$<" is a special predefined make variable that refers to the "source" for a rule.

术语 "$<"是一个特殊的预定义的make变量，代表某条规则的 “源”。

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The compiler will look for it in a predefined set of locations, which can be modified by setting a search path environment variable or through a command line option.

编译器将会在预定义的位置集查找该头文件，这些预定义的位置可以通过设置查找路径环境变量或者通过命令行选项来修改。

youdao

The compiler will look for it in a predefined set of locations, which can be modified by setting a search path environment variable or through a command line option.

编译器将会在预定义的位置集查找该头文件，这些预定义的位置可以通过设置查找路径环境变量或者通过命令行选项来修改。

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