SPL_NET
# define SPL_NET(x) do { } while (0)
# define SPL_NET(x) x = splnet()
# define SPL_NET(x) ;
# define SPL_NET(x) x = splsoftnet()
# define SPL_NET(x) x = splnet()
# define SPL_NET(x) ;
# define SPL_NET(x) ;
# define SPL_NET(x) (x) = splnet()
# define SPL_NET(x) ;
# define SPL_NET(x) ;