plen2mask
extern int plen2mask(uint_t, sa_family_t, struct sockaddr *);
if ((err = plen2mask(plen, AF_INET,
(void) plen2mask(ipaddr->ipadm_static_prefixlen, af,
if ((err = plen2mask(plen, af, ifa->ifa_netmask)) != 0)
err = plen2mask(atoi(propstr), ifa->ifa_addr->sa_family,
if ((err = plen2mask(prefixlen, af, (struct sockaddr *)&netmask)) != 0)
(void) plen2mask(PREFIXLEN_LINKLOCAL, AF_INET6,
if (plen2mask(masklen, AF_INET, (struct sockaddr *)&m4) != 0) {
if (plen2mask(prefix_length, AF_INET6,