getnetbyaddr
np = getnetbyaddr(net, AF_INET);
np = getnetbyaddr(netshifted, AF_INET);
np = getnetbyaddr((long)in.s_addr,
np = getnetbyaddr(net, AF_INET);
np = getnetbyaddr(inet_netof(ipaddr), AF_INET);
np = getnetbyaddr(inet_netof(*ipaddr), AF_INET);
np = getnetbyaddr(addr, AF_INET);
np = getnetbyaddr(ipa.s_addr, AF_INET);
struct netent *getnetbyaddr(in_addr_t, int);
struct netent *getnetbyaddr(long, int);
struct netent *getnetbyaddr();
struct netent *ne = getnetbyaddr(addr, type);
struct netent *getnetbyaddr __P((unsigned long, int));