pf_icmp_mapping
int pf_icmp_mapping(struct pf_pdesc *, u_int8_t, int *,
ctx.state_icmp = pf_icmp_mapping(pd, ctx.icmptype,
ctx.state_icmp = pf_icmp_mapping(pd, ctx.icmptype,
if (pf_icmp_mapping(pd, icmptype, &icmp_dir, &virtual_id,
pf_icmp_mapping(&pd2, iih->icmp_type,
pf_icmp_mapping(&pd2, iih->icmp6_type,