-#ifdef HAVE_WINSOCK_H
-# define tcp_read( s, buf, len ) recv( s, buf, len, 0 )
-# define tcp_write( s, buf, len ) send( s, buf, len, 0 )
-# define ioctl( s, c, a ) ioctlsocket( (s), (c), (a) )
-# define ioctl_t u_long
-# define AC_SOCKET_INVALID ((unsigned int) ~0)
-
-# ifdef SD_BOTH
-# define tcp_close( s ) (shutdown( s, SD_BOTH ), closesocket( s ))
-# else
-# define tcp_close( s ) closesocket( s )
-# endif
-
-# define EWOULDBLOCK WSAEWOULDBLOCK
-# define EINPROGRESS WSAEINPROGRESS
-# define ETIMEDOUT WSAETIMEDOUT