C、Cygwin，以及编译 drand 和 srand
我有一个 C 代码，我试图在 Cygwin 中编译它，其中包含 drand() 和 srand() 函数。我安装了 Windows Vista 并安装了 Cygwin，代码似乎可以正常编译，但我的计算机坏了，我必须买一台新计算机。新电脑装有Windows 7 64位版本。我在下载 Cygwin 时遇到了一些问题，但最终只选择了几个软件包就成功了，然后一直尝试获取我需要的其余部分。问题是我没有在另一台计算机上安装它的帮助，所以我不知道我实际需要哪些软件包，所以我只是在猜测（所有 gcc 软件包），但我不能有那个软件包我需要 srand 和 drand 才能工作。如果有人能指出我正确的方向，并且可能只是让我知道我需要编译 C 的哪些软件包，以便我可以检查我是否拥有它们，那就太好了。
预先非常感谢您的帮助。
抱歉，说了很多话！
凯蒂亚娜
I have a C code which I am trying to compile in Cygwin and which contains both the drand() and srand() functions. I had Windows Vista with Cygwin installed and the code seemed to comile fine, but my computer broke and I had to get a new one. The new computer has Windows 7 64-bit version. I had a few issues downloading Cygwin but finally managed to do it by only selecting a few packages and then have been trying to get the rest that I need. The problem is I don't have the help I had installing it on my other computer so I don't know which packages I actually need, so I have just been guessing (all the gcc ones) but I mustn't have the one I need for srand and drand to work. If anyone could point me in the right direction, and also possibly just let me know which packages I need to compile C so I can check I have them all that would be great.
Thanks a lot in advance for any help.
Sorry, that was a lot of words!
Kaytiana
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srand()和drand()函数是srand()anddrand()functions are part of the<stdlib.h>library and should be included with the gcc-core cygwin package. If no, then I think it will be an issue with cygwin 64 bit packages or the OS. Since you mentioned you had problems installing, I am assuming something went wrong on the process.drand不保证是 C 标准库的一部分。话虽这么说，我会首先安装所有相关的 stdlib 和 gcc 库。我无法想象存在一个单独的 drand 图书馆。drandis not guaranteed to be part of the C standard library. That being said, I would install all of the relevant stdlib and gcc libraries first. I can't imagine a separate drand library existing.