AF_ROUTE
#define PF_ROUTE AF_ROUTE
v4_sock = socket(AF_ROUTE, SOCK_RAW, AF_INET);
v6_sock = socket(AF_ROUTE, SOCK_RAW, AF_INET6);
if ((rtsock = socket(AF_ROUTE, SOCK_RAW, AF_INET)) < 0) {
case AF_ROUTE: p = "AF_ROUTE"; break;
rtsaddr->sa_family = AF_ROUTE;
addr->sa_family = AF_ROUTE;
addr->sa_family = AF_ROUTE;
if (family != AF_ROUTE || type != SOCK_RAW ||
#define PF_ROUTE AF_ROUTE