ipf_frag_natknown
extern nat_t *ipf_frag_natknown(fr_info_t *);
else if ((fin->fin_flx & FI_FRAG) && (nat = ipf_frag_natknown(fin)))
else if ((fin->fin_flx & FI_FRAG) && (nat = ipf_frag_natknown(fin)))
else if ((fin->fin_flx & FI_FRAG) && (nat = ipf_frag_natknown(fin)))
else if ((fin->fin_flx & FI_FRAG) && (nat = ipf_frag_natknown(fin)))