linux中的套接字头在哪里
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where is socket header in linux
提问by Dzung Nguyen
I compile my simple prog with #include <sys/socket.h>but there's none of this file.
Where is it, I just start coding in linux and I have no idea where is it . Or do we need to download it online .
我编译了我的简单编，#include <sys/socket.h>但没有这个文件。它在哪里，我刚开始在 linux 中编码，我不知道它在哪里。或者我们需要在线下载它。
采纳答案by Peter G.
In case you have installed manual pages, the first stop should be man socket.
如果您安装了手册页，第一站应该是man socket。
Without manual pages you could call
没有手册页，您可以调用
find /usr/include -name socket.h
which outputs
哪个输出
/usr/include/asm/socket.h
/usr/include/sys/socket.h
/usr/include/bits/socket.h
/usr/include/linux/socket.h
on my system, the one to include is sys/socket.h.
在我的系统上，要包含的文件是sys/socket.h.
Also see the Single UNIX Specification.
另请参阅单一 UNIX 规范。
回答by Chris J
It should be #include <sys/socket.h>. You may also need to include sys/types.h.
应该是#include <sys/socket.h>。您可能还需要包括sys/types.h.
But if that's failing, can you give a short snippet of source, including what files you're #include'ing and how, and what error message(s) you're getting?
但是，如果失败了，您能否提供一个简短的源代码片段，包括您正在#include'ing 的文件和方式，以及您收到的错误消息？
回答by mouviciel
man socket
should give you the answer.
应该给你答案。
回答by B?ови?
回答by coanor
On a fresh Linux, for example, Ubuntu X86-64, while there is no gcc installed, there is no socket.hheaders, while installed gcc, you can findit under /usr/include, for me, the output is:
在新的Linux上，例如Ubuntu X86-64，虽然没有安装gcc，但没有socket.h头文件，安装了gcc后，你可以find在 下/usr/include，对我来说，输出是：
$ find /usr/include/ -name socket.h
/usr/include/asm-generic/socket.h
/usr/include/x86_64-linux-gnu/asm/socket.h
/usr/include/x86_64-linux-gnu/bits/socket.h
/usr/include/x86_64-linux-gnu/sys/socket.h
/usr/include/linux/socket.h
