For example, someone who likes to spend a lot of time sitting or lying down while watching television is sometimes called a couch potato.
VOA: special.2010.03.28
Allow me, it's about 2, 3 minutes here to introduce you to someone called Binky.
请给我2,3分钟时间来为你们介绍,一个叫做Binky的人。
stdio h This file here is called standard I/O or stdio.h and this is just another text file someone else wrote many years ago and by using that line of code there, I'm telling the computer, give me acces to this code that this other person wrote that's in that file.
在这里的头文件称为标准输入输出文件或,这是由某位前人编写的文本文件,我们只需要刚才所述的一行代码,就能告诉电脑,让我连接到,这个前人在那个文件中写的代码。
Someone-- or someone had to implement, had to write a tool called printf that itself takes input between quotes and produces as output some characters on the screen.
需要有人去实现,这个printf函数,以双引号间的信息为输入,输出相应字母到屏幕上。
The standard library, that first line of code, it's not strictly necessary but any time you use a function, a tool that someone else wrote that lives in that so called library, you do need that include line as we'll see.
标准库函数--第一行代码,严格来说,不是每次都要写的,但是一旦你调用某个别人写,的函数,而这个函数又恰巧位于标准库里面,你就要像我们看到的这样,把它include进去。
So you have to somehow convert the source code, the C code into 0s and 1s and for that process there exist this tool called a compiler that someone else wrote that takes this stuff as input and produces this stuff as output.
所以你必须把源代码,即C语言代码转换成二进制文件,这个过程就需要我们提到的编译器了,它是由别人编写的一个软件,以这些代码作为输入,将会产生的输出。
So with the fact that I'm now just back at my prompt is a good thing so now GCC hello c if I type this command GCC hello.c, this is gonna run this program that Apple wrote in this case GCC or someone else wrote called GCC.
也就是说我们现在安全返回,说明一切正常,现在我输入这条命令:,这代表运行hello,c这个程序,是由“Apple“或其他人编写的,名为。
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