虽然这仅比对系统头文件使用grep方便一小点，但是它更不容易出错。
This is just a tad more convenient than using grep on system header files, but it's less error-prone.
系统头文件可能以文件方式保存，也可能以系统特有的其他格式保存。
System headers may be stored as files or in some other system-specific format.
您的系统头文件和手册页也是有关您的系统可能支持的非标准值的信息的最好来源。
Your system headers and manual pages are also your only source of information about the non-standard values that your system might support.
大多数系统头文件都至少包含标准errno值的这些信息，因此请放心地去了解这些信息。
Most system headers contain at least this much information for the standard errno values, so don't be afraid to take a look.
Eclipse随即会打开errno . h系统头文件并突出显示errno中的声明，如图1中所示。
Eclipse opens the errno.h system header and highlights the declaration from errno, as shown in Figure 1.
PINE 并没有包括系统头文件，而是对相关函数提供了自己的声明，所有这些都是使用32 位偏移量来定义的。
PINE, rather than including the system headers, provided its own declaration of the related functions, all defined in terms of 32-bit offsets.
代码示例是相当琐碎的，但使用诸如eclipse之类的集成开发环境(IDE)可使打开系统头文件、查找特定符号等操作变得更容易。
The code examples are fairly trivial, but using an integrated development environment (IDE), such as Eclipse, makes it easier for you to open system headers, find specific symbols, and so forth.
图5展示了在Windows系统上实现安全性插件所需的这两个头文件的位置。
Figure 5 shows the location of the two required header files for implementing security plug-ins on a Windows system.
文件夹(如“头文件”)不与文件系统文件夹(在内部，此类文件夹被称为过滤器)对应。
Folders (like "header files") don't correspond to filesystem folders (internally, such folders are called filters).
其中最奇妙的事情之一是，在几乎每个平台上都为计划要处理的每个库函数和系统调用都提供自己的声明，而不是包括标准的头文件。
One of these magics was, on nearly every platform, to provide its own declarations for every library function and system call it planned to use, rather than including the standard headers.
对于步骤2来说，我对头文件进行了更新：在系统调用表中为这几个新函数安排空间。
For step 2, I update the header files to make room for the new functions in the system call table.
包含文件(或者头文件)定义了在操作系统中或特定的库中使用的常量、宏以及其他结构。
Include files (or header files) define constants, macros, and other structures used in the operating system or in a particular library.
通过配置头文件中相应的配置宏来实现该系统的串口通信。
The serial communication of system is realized through configuring corresponding macros.
通过配置头文件中相应的配置宏来实现该系统的串口通信。
The serial communication of system is realized through configuring corresponding macros.
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