getph1
extern struct ph1handle *getph1(struct ph1handle *ph1hint,
getph1(NULL, local, remote, /*CONSTCOND*/est ? GETPH1_F_ESTABLISHED : 0)
getph1(NULL, NULL, remote, 0)
new_iph1 = getph1(iph1, iph1->local, iph1->remote, 1);
new_iph1 = getph1(iph1, iph1->local, iph1->remote, 1);
iph1 = getph1(iph1hint, iph2->src, iph2->dst, 0);
new_iph1 = getph1(iph1, iph1->local, iph1->remote, GETPH1_F_ESTABLISHED);