SN-2616 已核对来源，附原文与上下文。
抱歉，我最近太忙，只能扫一眼消息，还跟不上。
Sorry, I've been so busy lately I've been skimming messages and I still can't keep up.
我们要尽可能避免 Windows API 调用。它们通常要传 6-8 个参数、要大量测试才能用对，做件简单事得写一页代码。
We want to avoid Windows API calls whenever possible. They usually take about 6-8 parameters and a lot of testing to get right, it takes a page of code to do something simple.
我通常躲着 iostreams。似乎我太常撞上它的限制。他们 90 年代把 C++ 流标准搞得一团糟，真遗憾，用对了的话流可以相当强大有用。在 rpc.cpp 里用它最终恐也会被证明是个错误。
I usually shy away from iostreams. Seems like I too often hit limitations. They kind of botched the C++ streams standard in the 90's, which is too bad, streams can be very powerful and useful when done right. Using it in rpc.cpp may still turn out to be a mistake.
说到底，我宁可调用现成的文件拷贝函数，也不想自己写一个再测试。
Bottom line is I'd rather call an existing file copy function than make and test my own.
