ALP Chapter 8 Linux系统函数(Linux System Calls) 到目前为止我们介绍的所有API都分可归为两类: 库函数(library function):普通的函数,由一个不属于我们程序的外部的库编写,这种外部的库的一个典型例子是C库。
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Call Library Function 调用库函数 ; 节点 ; 库函数调用 ; 提供的调用库函数
library function routine [计] 库函数程序 ; 库函数例行程序
Call Library Function Node 调用库函数节点 ; 包括调用库函数节点
Library function room 图书功能室
spread library function 扩展库函数
mathematical library function [计] 数学库函数
c standard library function c库函数
C Language Library Function 语言库函数
basic library function 基本库函数
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The expression is finally executed with the built in erl_eval:exprs library function.
最后由内建的erl_eval:exprs库函数执行构建好的表达式。
Think of this as a specialized version of the C library function select, but for DMA transfers.
可以把它看作 C 库函数 select 的特殊版本,但是针对的是 DMA 传输。
In terms of the way it is called, there is no difference between a system call and a library function.
就调用方式而言,系统调用与库函数之间没有区别。
There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.
已经做过了很多的尝试和努力,但是事实是,很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。
But long story short, if I want to use a function called sleep, -- the reason I, the programmer, knew to use that library -- -- that header at the top -- because it told me to in this little synopsis.
但长话短说,如果我想要用一个叫做sleep的功能,我作为程序员知道使用那个函数库-,上面的标题-,因为在这个小的大纲中它告诉我。
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。
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