text: #if LETHE_OS_WINDOWS
  #	define WIN32_LEAN_AND_MEAN
  #	if !defined(_WINSOCK_DEPRECATED_NO_WARNINGS)
  // FIXME: ...
  #		define _WINSOCK_DEPRECATED_NO_WARNINGS
  #	endif
  #	include <windows.h>
  #	include <winsock2.h>
  #	include <ws2tcpip.h>
  typedef unsigned long in_addr_t;
  #else
  #	include <sys/socket.h>
  #	include <netinet/in.h>
  #	include <netinet/tcp.h>
  #	include <netdb.h>
  #	include <arpa/inet.h>
  #	include <unistd.h>
  typedef int SOCKET;
  #	define closesocket close
  #endif
  