The return value is True if oldval and *ptr match and False otherwise.
如果oldval和 *ptr匹配，返回值是True，否则是 False。
The example application used in this article is called PTR.
本文中所使用的示例应用程序名为PTR。
IP address to hostname mappings are defined use the PTR (pointer) record.
IP地址到主机名的映射是使用PTR(指针)记录来定义的。
This section shows you how to calculate how many of the PTR messages can fit into the structure as defined.
这一部分将向您演示如何计算按照定义可以将多少PTR消息放入该结构中。
In this example, the memcpy operation is trying to read 20 bytes from PTR, but it has been allocated only 10 bytes.
在本例中，memcpy操作尝试从ptr读取20个字节，但是后者仅被分配了10个字节。
World of Warcraft PTR Patch 3.3.0.
魔兽世界测试伺服器3.3.0更新说明文件。
Have the Chinese players tried playing on the US PTR?
有中国的玩家试过在美服ptr上玩过吗？
You can also expect to see it on the PTR for a reasonable amount of time.
你也可以期待该系统会在测试服务器上存在足够长的时间。
We want to thank everyone who has logged onto the PTR and tried the encounters there.
我们想感谢每一个连进测试服务器并尝试这些战斗测试的人。
The definition of spatial resolution in the PTR (photothermal radiometry) system is given.
给出了光热辐射测量(PTR)系统空间分辨率的定义。
This nonlinear theory provides a theoretical basis for the applications of the nonlinear PTR technique.
为非线性PTR技术的实际应用提供了理论基础。
Objective: The main aim was to discuss the pain-relieving effects of active site of Psammosilene Tunicoides root (PTR).
目的：探讨金铁锁的镇痛作用及镇痛活性部位。
However, it has a much lower refinery break-even point than SNP. PTR will enjoy a higher profit margin if a price hike is implemented.
不过，它的保本价格比中石化低得多，如果实施价格上调，中石油的利润将更高。
A reverse lookup record for the server, also known as a PTR resource record, is registered in a reverse lookup zone in the DNS database.
服务器的反向查找记录(也称为PTR资源记录)在DNS数据库的反向查找区域中注册。
Testing for the Lord Jaraxxus raid encounter on PTR has been cancelled tonight due to technical difficulty. I'll reschedule this for a later time.
Lord Jaraxxus的副本测试由于遭遇技术难题而不得不暂行取消，我将在稍后公布新的测试时间表。
The general analytical expressions of PTR signal for multilayer samples are derived. The optically opaque three-layer sample is analyzed in details.
从理论上推导了一般情况下多层样品PTR信号的解析式，分析了光学不透明三层样品。
The put_user function moves the value that the kernel variable (var) specifies into the user-space address (PTR). The functions return zero on success.
put_user函数则将内核变量(var)指定的值移动到用户空间地址(ptr)。
A test rig of PTR was built and consummated. Experimental study was conducted for the co-axial PTR, which is superior in miniaturing and practical application.
建立和完善了脉管制冷机性能测试试验台；对在微型化、实用化方面有优势的同轴脉管制冷机进行了实验研究。
The PT, PTR and INR of 60 patients treated with oral anticoagulants and 40 patients with liver disorders were determined with the two kinds of thromboplastin reagents.
用进口试剂和自制品测定60例口服华法令抗凝治疗病人和40例肝病患者的PT，求得ptr和INR并进行比较。
The PT, PTR and INR of 60 patients treated with oral anticoagulants and 40 patients with liver disorders were determined with the two kinds of thromboplastin reagents.
用进口试剂和自制品测定60例口服华法令抗凝治疗病人和40例肝病患者的PT，求得ptr和INR并进行比较。
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