RTF_PROTO2
flags |= RTF_PROTO2;
{ RTF_PROTO2, '2' },
#define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */
#define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */
#define RTF_ANNOUNCE RTF_PROTO2
{ RTF_PROTO2, '2' },
{ RTF_PROTO2, '2' },
RTFLAG("2", RTF_PROTO2);