ipf_frag_new
if (ipf_frag_new(softc, fin, pass) == -1) {
extern int ipf_frag_new(ipf_main_softc_t *, fr_info_t *, u_32_t);
(void) ipf_frag_new(softc, fin, pass);
(void) ipf_frag_new(softc, fin, is->is_pass);