Nov 14, · So the sys/socket.h and sys/un.h are missing. But why they are missing? Are they ever implemented in MinGW? I tried to simply change they to winsocket.h, winsocket2.h and wininet.h, but this didn't work too. By the way that documentation is bad, and I don't doubt this example is wrong. So, what is the way? Aug 09, · Hi all, Where can i find network headers files for Windows XP, example: sys/socket.h, arpa/inet.h, netinet/in.h, netinet/tcp.h, netinet/udp.h and othe. Dec 07, · to do it with mingw (code is below). None of this is defined by the C programming language, which puts it beyond the scope of primeprix.comc. >Any winsock insight would be appreciated. primeprix.com32 would be a better place to ask about that. (Though from what you've said it seems to me that it may be a HTTP.