To access derived data types, you use the copy_userdata function, which copies the required data from a non-vue variable, that is, from memory pointed by an argument to a vue script variable.
要想访问派生的数据类型，应该使用copy_userdata函数，它把所需的数据从非vue变量(也就是从参数指向的内存)复制到Vue脚本变量。
Operations for floating point variables are limited to simple assignment expressions and as arguments to VUE functions.
对于浮点变量的操作只限于简单的赋值表达式和作为VUE函数的变量。
The Vue personal video network lets users place cordless cameras virtually anywhere and view video in real time on the Web.
悦个人视频网络几乎可以让用户在网上随时随地利用无线摄像头观看实时视频。
With syscall probes, the input arguments and return values are available to the VUE script.
通过使用系统调用探测，可以在vue脚本中使用输入参数和返回值。
VUE is both a programming language and a scripting language.
VUE既是编程语言，也是脚本语言。
The ProvbVue facility uses a programming language called 'Vue' and a the ProbeVue command, which starts a trace session and interprets vue scripts.
ProvbVue 使用一种称为 “Vue” 的编程语言和ProbeVue命令，这个命令启动跟踪会话并解释 Vue脚本。
You access them as you would any other Vue script variable, except for a small change.
访问它们的方法与访问其他Vue脚本变量差不多，只有一个小差异。
The Vue language supports most of the C operations, C-89 data types, has its own built-in variables(_pid, _tid) and functions(stacktrace, timestamp).
Vue语言支持大多数C操作符和 C-89数据类型，还有它自己的内置变量 (_pid, _tid)和函数 (stacktrace,timestamp)。
In addition to passing in environmental variables, VUE supports a few built-in environment variables, as well.
除了传递环境变量之外，VUE还支持几个内置的环境变量。
The Vue script in Listing 7 does the following
清单7 中的Vue脚本实现以下功能
You also discovered several limitations in writing Vue scripts.
还了解了编写Vue脚本时的几个限制。
Example Vue script for accessing arguments.
访问参数的示例vue脚本。
This article discussed the basic concepts of ProbeVue, including general format of a ProbeVue script, the VUE programming language, and a simple yet powerful sample program.
本文讨论了ProbeVue的基本概念，包括ProbeVue脚本的一般形式、VUE编程语言和一个简单但有意义的示例脚本。
This section explains how to compose a header file and how to include it in Vue script.
本节解释如何编写头文件以及如何在vue脚本中包含它。
Tracing of arguments passed to function is feasible when probe type is entry and requires function prototype to be defined at the beginning of Vue script or through header file.
当探测类型为入口时，可以探测传递给函数的参数，这要求在vue脚本的开头或通过头文件定义函数原型。
To access the input arguments, the VUE script must declare a function prototype of the function being probed. For example.
为了访问输入参数，vue脚本必须声明要探测的函数的函数原型。
Tracing of arguments passed to the function is feasible when the probe type is entry and requires that the function prototype be defined at the beginning of the Vue script or through a header file.
如果探查类型是入口，就可以探查传递给函数的参数，这要求在vue脚本的开头或通过头文件定义函数的原型。
The begin section is the section of the VUE script that is used to initialize variables.
begin部分是VUE脚本中用来执行变量初始化的部分。
This section explains how to access the arguments in Vue script; the header file is covered in the next section.
本节解释如何在Vue脚本中访问参数；下一节讨论头文件。
Like c, other temporary variables may be specified throughout the file. VUE supports the following variable types.
与c语言一样，可以在文件中的其它地方指定临时变量。
The Vue script in Listing 3 performs the following functions.
清单3中的Vue脚本执行以下功能。
probev_timestamp_t is a special data type used to return the value from the VUE timestamp function.
probev_timestamp_t是一种特殊的数据类型，用来从VUE时间戳函数返回值。
These 3 lines must be the first 3 lines in the Vue script if you are going to include the header file.
如果想包含头文件，这三行必须是vue脚本中的前三行。
Specifying the line above permits the VUE script to access the fd, bug, and size arguments.
指定这一行，vue脚本就能够访问fd、buf和size参数。
Vue script for basic probing: basic_probing.e.
执行基本探测的vue脚本：basic _ probing . e。
The Vue script or Vue program can be used to.
vue脚本或Vue程序可以用来。
Get_function Vue function is not supported as of now.
目前不支持get _ functionVue函数。
All the other statements inside the main function should remain intact. A header file can be included using the following Vue script syntax.
main函数中的所有其他语句应该保持原状。
Vue 7 Pioneer is a great way to learn 3d.
Vue7先锋号是学习3d的一个不错的选择。
Vue 7 Pioneer is a great way to learn 3d.
Vue7先锋号是学习3d的一个不错的选择。
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