The default output record from the "mkewuid" script function consists of several fields of information delimited by a colon (:) character.

mkewuid脚本函数的默认输出记录包含五个字段，字段之间由冒号(：)分隔。

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As you can see from the output (Listing 2), the perror function displays the string you pass to it, followed by a colon, a space, and then the textual representation of the current errno value.

正如您可以从输出(清单2)中看到的，perror函数显示了传递给它的字符串，后跟冒号、空格，接着是当前errno值的文字表示形式。

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