bgp_put_cap_as4(struct bgp_proto *p, byte *buf)
{
  *buf++ = 65;		/* Capability 65: Support for 4-octet AS number */
  *buf++ = 4;		/* Capability data length */
  put_u32(buf, p->local_as);
  return buf + 4;
}
bgp_put_cap_as4(struct bgp_proto *p, byte *buf)
{
  *buf++ = 65;		 
  *buf++ = 4;		 
  put_u32(buf, p->local_as);
  return buf + 4;
}