pfsync_ins_ack
{ pfsync_out_iack, sizeof(struct pfsync_ins_ack), PFSYNC_ACT_INS_ACK },
struct pfsync_ins_ack *iack = buf;
{ pfsync_in_iack, sizeof(struct pfsync_ins_ack) },
const struct pfsync_ins_ack *ia;
ia = (struct pfsync_ins_ack *)(buf + mlen * i);
{ sizeof(struct pfsync_ins_ack), pfsync_print_ins_ack },
const struct pfsync_ins_ack *iack = bp;