bugfix select() in win64
# define _WINSOCKAPI_
# include <hl.h>
# include <winsock2.h>
-# define FDSIZE(n) (sizeof(u_int) + (n) * sizeof(SOCKET))
+# define FDSIZE(n) (sizeof(void*) + (n) * sizeof(SOCKET))
# define SHUT_WR SD_SEND
# define SHUT_RD SD_RECEIVE
# define SHUT_RDWR SD_BOTH
