netmask2prefixlen
int netmask2prefixlen(uint32_t);
netmask2prefixlen(ip4mask), reason);
A(range->addr), netmask2prefixlen(range->mask));
A(range->addr), netmask2prefixlen(range->mask));
A(range->addr), netmask2prefixlen(range->mask),
A(range->addr), netmask2prefixlen(range->mask));
netmask2prefixlen(ntohl(ppp->ppp_framed_ip_netmask.s_addr)),
if (netmask2prefixlen(htonl(ip4mask)) == 32) {