taglinefilesource code
RTF_GATEWAY975net/inet/dev.crt_add(RTF_GATEWAY, ipc.paddr, ipc.router, dev);
RTF_GATEWAY213net/inet/icmp.crt_add((RTF_DYNAMIC | RTF_MODIFIED | RTF_GATEWAY),
RTF_GATEWAY217net/inet/icmp.crt_add((RTF_DYNAMIC | RTF_MODIFIED | RTF_HOST | RTF_GATEWAY),
RTF_GATEWAY150net/inet/route.cif (rt->rt_flags & RTF_GATEWAY)
RTF_GATEWAY173net/inet/route.cflags &= ~RTF_GATEWAY;
RTF_GATEWAY183net/inet/route.cflags &= ~RTF_GATEWAY;
RTF_GATEWAY184net/inet/route.cif (flags & RTF_GATEWAY) {
RTF_GATEWAY188net/inet/route.cflags |= RTF_GATEWAY;
RTF_GATEWAY255net/inet/route.cif (!(r->rt_flags & RTF_GATEWAY))