text: // Copyright (c) 2009-2010 Satoshi Nakamoto
  // Copyright (c) 2009-2012 The Sweat developers
  // Distributed under the MIT/X11 software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  #ifndef _BITCOIN_COMPAT_H
  #define _BITCOIN_COMPAT_H
  
  #ifdef WIN32
  #define _WIN32_WINNT 0x0501
  #define WIN32_LEAN_AND_MEAN 1
  #ifndef NOMINMAX
  #define NOMINMAX
  #endif
  #define FD_SETSIZE 1024 // max number of fds in fd_set
  #include <winsock2.h>
  #include <ws2tcpip.h>
  #else
  #include <sys/types.h>
  #include <sys/socket.h>
  #include <sys/fcntl.h>
  #include <arpa/inet.h>
  #include <netdb.h>
  #include <net/if.h>
  #include <netinet/in.h>
  #include <ifaddrs.h>
  #endif
  
  #ifdef WIN32
  #define MSG_NOSIGNAL        0
  #define MSG_DONTWAIT        0
  #else
  typedef u_int SOCKET;
  #include "errno.h"
  #define WSAGetLastError()   errno
  #define WSAEINVAL           EINVAL
  #define WSAEALREADY         EALREADY
  #define WSAEWOULDBLOCK      EWOULDBLOCK
  #define WSAEMSGSIZE         EMSGSIZE
  #define WSAEINTR            EINTR
  #define WSAEINPROGRESS      EINPROGRESS
  #define WSAEADDRINUSE       EADDRINUSE
  #define WSAENOTSOCK         EBADF
  #define INVALID_SOCKET      (SOCKET)(~0)
  #define SOCKET_ERROR        -1
  #endif
  
  inline int myclosesocket(SOCKET& hSocket)
  {
      if (hSocket == INVALID_SOCKET)
          return WSAENOTSOCK;
  #ifdef WIN32
      int ret = closesocket(hSocket);
  #else
      int ret = close(hSocket);
  #endif
      hSocket = INVALID_SOCKET;
      return ret;
  }
  #define closesocket(s)      myclosesocket(s)
  
  
  #endif
  