sprintf_ipaddr
str += sprintf_ipaddr(str, initiator->isns_server);
str += sprintf_ipaddr(str, initiator->slp_server);
str += sprintf_ipaddr(str, initiator->pri_radius_server);
str += sprintf_ipaddr(str, initiator->sec_radius_server);
str += sprintf_ipaddr(str, nic->ip_addr);
str += sprintf_ipaddr(str, nic->gateway);
str += sprintf_ipaddr(str, nic->primary_dns);
str += sprintf_ipaddr(str, nic->secondary_dns);
str += sprintf_ipaddr(str, nic->dhcp);
str += sprintf_ipaddr(str, tgt->ip_addr);