c++,sockets,server , Use Sockets in multiple *.cpp files


Use Sockets in multiple *.cpp files

Question:

Tag: c++,sockets,server

As you can see in the Title box, I´d like to find a way how to use my sockets in multiple cpp files.

#pragma comment(lib,"ws2_32.lib")


void main()
{
  WSADATA wsaData;
  WSAStartup(MAKEWORD(2,0), &wsaData);

  SOCKET slisten,client;

  slisten = socket(AF_INET,SOCK_STREAM, 0);

  //and so on...

}

This is the way I use the ws2_32.lib but just in main. I´d like to use the socket clientin other files, so I`m able to send data wherever I want. The socket is declared as a global variable. I´d be nice if someone can give me an advice.

Thanks in advance.


Answer:

This question seems not specific to sockets, but to global variables in general. If you need to create a global variable (a socket, in this case) which must be accessible by multiple compilation units:

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