不过它通过删除不同的关键字来显示使用此函数的某些可能性并且返回字符串的总字数。
It shows some potential for using the function but by removing the distinct keyword, it returns the total word count of a string.
UNIX的设计由大量的函数调用（称为系统调用）组成，其中包括一些简单的任务，如在屏幕上显示字符串来设置任务优先级。
The UNIX design consists of hundreds of function calls (called system calls) covering simple tasks, such as displaying a character string on the screen to setting task priorities.
puts函数在控制台上显示一个字符串。
颜色设好后，text函数就会向将时间字符串发送到显示窗口已定义的坐标位置。
With the colors set, the text function emits your time string to the display window at the defined coordinates.
为了调试这个程序，我使用了XMLString：transcode函数来转换将在控制台上显示的宽字符字符串，如图1所示。
To debug this program, I'm using the XMLString: : transcode function to convert the wide character strings for display on a console, as shown in Figure 1.
举个典型的例子，1.5版前，在字符串中，当函数调用的结束括号另起一行时，代码颜色显示会不正确。
A typical example is that prior to version 1.5, the code coloring was incorrect for a function-call inside a string when the closing bracket was placed on a new line.
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。
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.
Render —返回HTML字符串的函数，这些字符串根据我们显示每个服务器条目的规则进行格式化。
Render — Function that returns an HTML string, formatted according to some rules we devise on how we prefer each server entry to be displayed.
同时如果你想要显示非字符串，你必须自己编写转换函数。
And if you want to display a non-string you have to write your own conversion function.
D {format}：括弧里的字符串被传递给strftime(3)函数，返回值填充到提示符中。如果不传参数，会按照系统默认的当地时间格式来显示。
D {format} : the format is passed to strftime (3) and the result is inserted into the prompt string; an empty format results in a locale-specific time representation.
下面就练习一下了，写一个函数，接收一个字符串做参数，然后倒序显示每一个字符，每行显示一个。
As an exercise, write a function that takes a string as an argument and displays the letters backward, one per line.
当合并字符串的长度和数量增加之后，有些函数开始显示出自己的威力。
As the length and number of strings that must be merged increases, however, some methods start to show their strength.
例如，函数可以显示当前的时间，并返回表示时间的字符串。
For example, a function could display the current time and return a string that represents the time.
为了确字符串字母函数保字母组合窗口已经根据这些改变更新了它的外观显示，显示外观已经函数允许你向窗口发送一个通知消息。
To ensure that the composition window updates its appearance based on these changes, the function allows you to send a notification message to the function composit appear window.
为了确字符串字母函数保字母组合窗口已经根据这些改变更新了它的外观显示，显示外观已经函数允许你向窗口发送一个通知消息。
To ensure that the composition window updates its appearance based on these changes, the function allows you to send a notification message to the function composit appear window.
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