IPF_PANIC
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define IPF_PANIC(x,y)
# define IPF_PANIC(x,y) ;
# define IPF_PANIC(x,y) if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }