ipsec_addr
ike_section_p2ids_net(struct ipsec_addr *iamask, sa_family_t af, char *name,
static int unmask(struct ipsec_addr *);
unmask(struct ipsec_addr *ipa)
struct ipsec_addr address;
struct ipsec_addr mask;
struct ipsec_addr *ipa;
bzero(ipa, sizeof(struct ipsec_addr));