ipfr
extern void printfraginfo(char *, struct ipfr *);
struct ipfr *ipfrtab[IPFT_SIZE], ifr;
printfraginfo(char *prefix, struct ipfr *ifr)
struct ipfr *ipfr_hnext, **ipfr_hprev;
struct ipfr *ipfr_next, **ipfr_prev;
struct ipfr **ifs_table;
struct ipfr **ifs_nattab;